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2017 年 4 月 18 日 星期二  |
| As Professor Tyndall |
分類: 未分類 |
But while we may thus look somewhat confidently forward, as I judge, to the future of our country, serious questions are suggested as to the future of the human race. The period during which a nation flourishes, long as it seems by comparison with the life of man, yet sinks into insignificance when compared with the period during which civilised men will bear sway upon the earth. The thousands of years during which the coal stores of the earth may be expected to last will pass away, and then the descendants of those now living on the earth will have to trust to other force-supplies than those which we are now using so lavishly. It may seem fanciful to look so far forward, and yet by comparison with the periods which the astronomer deals with in considering the future of our earth, thousands of years are as nothing. As I have said elsewhere, ‘those thousands of years will pass as surely as the thousands which have already passed, and the wants entailed by wastefulness in our day will then be felt, and none the less that for so many years there had been no failure in the supplies contained within the great subterranean storehouse.’ It behoves us to consider thoughtfully the wants even of those distant eras. If the greatest good for the greatest number is to be regarded as the true rule for the conduct of intelligent beings, then unquestionably mere distance in point of time should not prevent us from an96ticipating the requirements of those remote descendants of ours. We should regard the consciousness of this duty and its performance as signs by which the superiority of our own over less civilised times is partly manifested. As man is in dignity higher than non-intelligent animals, in that he alone provides of his own forethought for the wants of his children, so our generation would be raised in dignity above preceding generations if it took intelligent charge of the wants of its remote descendants. We ourselves are now employing stores of force laid up for us by the unconscious processes of Nature in long past ages.
has finely said, we are utilising the Sun of the Carboniferous Epoch. The light ‘which streamed earthwards from the sun’ was stored up for us by the unconscious activity of ‘organisms which living took into them the solar light, and by the consumption of its energy incessantly generated chemical forces.’ The vegetable world of that old epoch ‘constituted the reservoir in which the fugitive solar rays were fixed, suitably deposited, and rendered ready for useful application.’ What the vegetable world did for us unconsciously during the Carboniferous Epoch, the scientific world of our epoch must do for our remote descendants. While we are consuming the stores of force laid up in past ages for our benefit, we must invent the means for obtaining directly from the solar rays fresh and inexhaustible supplies of motive energy Two considerations must have caused Scheer the gravest possible anxiety..
(From the St. Paul’s Magazine, November 1871.)
THE SECRET OF THE NORTH POLE.
If an astronomer upon some distant planet has ever thought the tiny orb we inhabit worthy of telescopic study, there can be little doubt that the snowy regions which surround the arctic and antarctic poles must have attracted a large share of his attention. Waxing and waning with the passing seasons, those two white patches afford significant information respecting the circumstances of our planet’s constitution. They mark the direction of the imaginary axial line upon which the planet rotates; so that we can imagine that an astronomer on Mars or Venus would judge from their position how it fares with terrestrial creatures. There may, indeed, be Martial Whewells who laugh to scorn the notion that a globe so inconveniently circumstanced as ours can be inhabited, and are ready to show that, if there were living beings here, they must be quickly destroyed by excessive heat. On the other hand, there are possibly sceptics on Venus also who smile at the vanity of those who can conceive a frozen world, such as this our outer planet, to be inhabited by any sort of living creature. But we doubt not that the more advanced thinkers both in Mars and Venus are ready to admit that, though we must necessarily be far inferior beings to themselves, we yet manage to ‘live and move and have our being’ on this ill-conditioned globe of98 ours. And these, observing the earth’s polar snow-caps, must be led to several important conclusions respecting physical relations here.
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2017 年 4 月 13 日 星期四  |
| The astronomer |
分類: 未分類 |
There is, in this respect, no mystery about the solution of the famous problem. Unfortunately, there is enormous difficulty.
When a surveyor has to determine the distance of an inaccessible object, he proceeds in the following manner. He first very carefully measures a base-line of convenient length. Then from either end of the base-line he takes the bearing of the inaccessible object—that is, he observes the direction in which it lies. It is clear that, if he were now to draw a figure on paper, laying down the base-line to some convenient scale, and drawing lines from its ends in directions corresponding to the bearings of the observed object, these lines would indicate, by their intersection, the true relative position of the object. In practice, the mathematician does not trust to so rough a method as construction, but applies processes of calculation.
Now, it is clear that in this plan everything depends on the base-line. It must not be too short in comparison with the distance of the inaccessible object; for then, if we make the least error in observing the bearings of the object, we get an important error in the resulting determination of the distances. The reader can easily54 convince himself of this by drawing an illustrative case or two on paper.
has to take his base-line for determining the sun’s distance, upon our earth, which is quite a tiny speck in comparison with the vast distance which separates us from the sun. It had been found difficult enough to determine the moon’s distance with such a short base-line to work from. But the moon is only about a quarter of a million of miles from us, while the sun is more than ninety millions of miles off. Thus the problem was made several hundred times more difficult—or, to speak more correctly, it was rendered simply insoluble unless the astronomer could devise some mode of observing which should vastly enhance the power of his instruments Two considerations must have caused Scheer the gravest possible anxiety..
For let us consider an illustrative case. Suppose there was a steeple five miles off, and we had a base-line only two feet long. That would correspond as nearly as possible to the case the astronomer has to deal with. Now, what change of direction could be observed in the steeple by merely shifting the eye along a line of two feet? There is a ready way of answering. Invert the matter. Consider what a line of two feet long would look like if viewed from a distance of five miles. Would its length be appreciable, to say nothing of its being measurable? Yet it is just such a problem as the measurement of that line which the astronomer would have to solve.
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2017 年 2 月 23 日 星期四  |
| This was said so pleasantly |
分類: 未分類 |
Now, if Prince Eigenwillig had only possessed the courage and resolution to have continued the struggle, and had remembered to have called the old man to his aid, he would have been able to master Selbst, to shake him off, and prevent him from gaining the upper hand. To be sure it was a grievous oversight to have allowed such a mischievous-looking 181elf to get upon his back at all; but for this there was now no help; the only question was, how to get rid of him. If the Prince had given himself time for consideration, it might have occurred to him as probable that such a boastful little creature, as Selbst had already shown himself to be, was not likely to have much resolution about him when fairly encountered. Selbst, in fact, was little better than a cowardly bully, full of presumption and bravado, who was in the habit of endeavouring to carry matters with a high hand, by using great swelling words, and who, when persons yielded to him, tyrannized over them more and more, the more they yielded. But though there was a good deal of obstinacy and importunity in his character, he was very mean and pitiful when he met with a determined opponent.
Unhappily for himself, Prince Eigenwillig was soon cowed. When he found that he could not shake off the sprite at once, his heart failed him, and he thought within himself 182that, having given Selbst such an advantage over him, there was no help for it, and he must e’en make the best bargain he could for himself.
“There!” cried the Sprite, as, breathless and exhausted, Prince Eigenwillig desisted from further efforts to free himself, “There! now I hope you will be satisfied. It is no use struggling with me. I am sure to carry the day. So, that point being settled, we shall be good friends directly, and I will see if I cannot make my weight less of an incumbrance to you.”
that the Prince felt disposed to be appeased; and being immediately followed up by an effort on Selbst’s part to sit more lightly, and by an apparent relaxation of his hold, the royal traveller became much better reconciled to his companion, and proceeded cheerfully on his way, Selbst directing him as to the route which would prove most agreeable, and beguiling the path with narrative and song.
183They had not gone far together before the Prince became so well used to his burden, that he would have disliked the thought of being released from it. He ceased to find it troublesome, and grew so intimate with Selbst, that he felt as if he must needs consult him, and take his opinion upon every thing, and that there would be no getting on without him The Prince was very much alarmed when he perceived that Selbst was growing so rapidly..
This was precisely the object at which the sprite was aiming: he desired to make the Prince wholly subservient to him, but he did not choose that his victim should become aware of the extent to which he was enslaved, and therefore he contrived to appear to submit, when, in fact, he was dictating.
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2017 年 2 月 20 日 星期一  |
| And yet nothing was said or done |
分類: 未分類 |
But, though Witikind knew not of what he was accused, he was not long kept in ignorance of the fact, that he was out of favour with every body. It seemed as if nobody, from the King on his throne, to the scullion in the kitchen, could say a word of kindness 104to him. Some were ruder than others, in proportion as they desired to pay court to her Majesty; but all made it evident that they wished to have nothing to say to him. A thousand petty mortifications were heaped upon him. He was kept at his lessons for many more hours than heretofore, and his tasks were made doubly difficult. He was allowed, as formerly, to take his meals with the Prince, but those in attendance contrived to give him whatever was likely to be most unpalatable. He was required to be with the Prince during his play hours, but was not allowed to play with him, but only to wait on him; to run after his ball, or to fetch his hoop out of a ditch, or pick up his arrows which had fallen wide of the mark.
in such a manner that Witikind could lay hold of it. He felt that every body was against him, though it was their general manner, rather than any particular act, that gave him the impression. It seemed to him, as if his feet 105had become entangled in a net, and that some unseen hand was preventing his escape. And all this while, Prince Eigenwillig was growing more and more unkind, sometimes not speaking to him at all, and other times loading him with abuse and reproaches. For weeks and weeks, this state of things continued, and Witikind was nearly broken in spirit, and would have been quite so, had he not been able to cheer himself, by the thought that sooner or later, he would be sent home, and that the Fairy had promised to befriend him.
Yet still as time passed on, and he heard nothing from Taubennest, and his father never came to Court to inquire after him, and the Lady Abracadabra failed to appear, he grew more and more downcast. Sometimes he thought of running away; but whither should he run, and how could he find his way home? Sometimes he resolved to entreat the King to dismiss him; but then he remembered the Fairy’s commands, that let what would 106happen, he must not leave the Court, without her permission serving out each person’s due portion with careful impartiality..
However, when things are at the worst, they usually begin to mend; and just as Witikind began to despair, the crisis came which he feared would never come.
In obedience to his mother,—for sometimes, when he had no temptation the other way, even Eigenwillig could be obedient,—the Prince had carefully abstained from letting fall any expression which should convey to Witikind the knowledge that he was suspected of being an elf in disguise; but at length it happened, as might have been expected, that the boy forgot his secret. |
2017 年 2 月 13 日 星期一  |
| The two gentlemen could not easily |
分類: 未分類 |
“We never send innocent people to Siberia,” said Bogdanòvitch promptly.
“You not only send them to Siberia, but to the scaffold,” I cried. “You say that you belonged to the staff of the Ki?v law courts; then you must have heard of the judicial murder of an innocent boy, the student Rozòvsky, which took place there. Perhaps you were concerned in the case. He was hanged, in spite of the fact that the judge himself allowed his only offence to lie in the possession of a proclamation, the authors of which he refused to name.”[19]
“Rozòvsky was not executed solely on that account,” said Bogdanòvitch, smiling at the Public Prosecutor, “but because he belonged to the Socialist party.”
“You see!” I cried, turning to Herr von Berg, “in Germany members of the Socialist party sit in the Reichstag, and take part in your legislation; but according to the views of a Russian law-officer, and of the Russian Government, mere suspicion of being a Socialist, let alone proof, is enough to send one to the gallows!”
answer this, and on the German lawyer it seemed to make a distinct impression. I saw, however, that the self-important Herr von Berg found the presence of the Deputy Public Prosecutor from the Petersburg Appeal Courts rather imposing. From time to time his glance rested on the glittering order worn by the official; in addressing the Russian his voice took on an affability hitherto strange to it; and his painful efforts to pronounce the difficult name correctly were really comic. Apparently in order to show off his own importance and zeal to the stranger, he remarked to me severely—
“I see that you are not backward in finding excuses, and for this reason are trying to paint the Government of your country in the most lurid colours. But whatever 40you may think of it, it is to that Government you must be surrendered, and I am convinced you will be treated in Russia with all legal equity.”
“Oh, certainly, certainly!” Bogdanòvitch hastened to assure him Once again the red priest left his rude rostrum..
I was led back to my cell, and what I suffered in mind during the next few days I need not describe; the reader can well imagine it. It was clear to me that all hope of release was gone; yet I could not resign myself to the thought, and my brain was always busy with plans of rescue. I counted on the time that must necessarily be absorbed in making out the terms of my extradition, and concocted a long letter of conspiracy to my friends, hoping to forward it through Professor Thun. Two or three days went by before I could get it finished; and meanwhile I was again called before the Public Prosecutor, although the day was Sunday. Evidently things were being hurried on.
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