Sturdy facts are never wanting in support of erroneous views; and more false conclusions are drawn from them than from the subtlest arguments of the sophist.
When your theory is once confirmed by a fact, the question is considered decided, and no further argument is admissible. I had two theories not long ago, the pursuit and investigation of which gave me a good deal of pleasure; they were built upon facts, and therefore they were indisputable.
My first theory was upon the amount of evaporation at Perth during the summer months.
The excessive dryness of the atmosphere proved that the evaporation at the end of the rainy, or winter season, must be very great indeed. My friend, Mr. H., had an hygrometer, which he kept in a small room adjoining that in which he usually sat; and this hygrometer afforded the ground-work for our theories. It proved most satisfactorily that the evaporation exceeded every thing of the kind known in any other part of the globe. It was clear that our atmosphere was drier than that of a brick-kiln when burning its best. But the great beauty and novelty of the theory was, that the evaporation was greater at night than in the day time.
This certainly puzzled us a good deal at first; but when once you are sure of your facts, it is astonishing how soon you come to mould your theory so as to make it perfectly agree with them, and manage to reconcile yourself to the most startling contradictions. After satisfying himself of the truth of the fact—that the evaporation was really greater by night than by day—Mr. H. proceeded to prove philosophically that nothing could be more reasonable than such a circumstance. From all that I could make out of his arguments, which were extremely logical and ingenious, it seemed clear that as every thing in this country is diametrically opposite to every thing in the old country, it was perfectly consistent with the regulations of nature in Australia, that evaporation should be greater at night than during the day time. Moreover, he placed great reliance upon the attraction of the moon.
For my part, seeing that facts were on his side, I embraced his views with ardour; and went about as an apostle, proclaiming the new tidings far and wide. It was one of those astonishing truths in science that come suddenly and unexpectedly upon mankind—like those connected with electricity—that take the reason captive, and are beyond the reach of human investigation. Men usually appeared incredulous when the theory was first broached to them; but when convinced of the fact, as proved indisputably by the hygrometer, they were compelled to acknowledge the truth, and forthwith looked upon it as a matter of course.
As the weather grew warmer—when the thermometer stood daily at about 86 degrees in a cool room—the nocturnal evaporation increased. At length it grew to such a pitch, that the tube of the hygrometer containing the water was exhausted in a couple of nights. Notwithstanding the astonishment of Mr. H., he was enraptured at the triumphant confirmation of his theory. He devoted every moment he could spare from public duties, to the compilation of a learned and voluminous treatise upon the subject. He looked upon himself as destined to be considered one of the master-philosophers of the age, the promulgator of a new and wondrous theory, based not only upon sound argument, but upon long observation and indisputable facts. When any one ventured to raise a doubt, he would smile with that ineffable sweetness which distinguishes a man conscious of his superior knowledge and sources of information. I, his enthusiastic adherent, picked up the crumbs of instruction that fell from his table; and dealt forth mysterious hints of the scientific errors about to be corrected by the observations and treatises of Mr. H., who was now generally known to have forwarded an account of his discoveries to some of the learned Societies of London; and the English papers were perused with avidity, in the hope of finding that due honour had been paid to his merits.
As he walked along the streets he was looked upon with additional reverence. He had raised the renown of Western Australia, and was now considered to be at once its decus et tutamen. The idlers who congregated in small knots about luncheon-time at the corners of the streets, began to talk of a statue in the market-place.
Suddenly, however, the philosopher secluded himself from the vulgar gaze. The public wondered, and then became alarmed. The philosopher had taken to his bed. After some days I was admitted to his presence, and found him greatly enfeebled for want of rest. It was evident there was something that weighed upon his mind. After many ineffectual efforts, many sighs and some blushes, he faltered forth a confession that he feared our theory, (he seemed now, for the first time, kindly solicitous to share the merit of the discovery,) of evaporation being greater at night than in the day-time, was not well founded. An electric shock, shivering the funny-bones of both elbows, could not have startled me more. What did he mean? He continued, that one night whilst engaged upon a new hygrometrical treatise, he had sat up till a very late hour; the door of the room which contained the instrument was open, and the light from his lamp fell directly upon it. Absorbed in profound speculations, his eye occasionally rested upon the little instrument which stood upon a table. There it was—the pillar of his fame. It seemed to dilate in dimensions until it rivalled the column in the Place Vendome, and on the top of it was a figure, less sturdy than that of Napoleon. Suddenly his vision was broken, and his thoughts were recalled from the future to the present, by seeing a living object move along the table, and quietly approach the foot of his column. Appalled and paralyzed, he sat immovable whilst he beheld an actual mouse, unrestrained by any scientific considerations, place its profane snout in the bowl of the hygrometer, and drink deliberately until its thirst was satisfied. It then retired, and other mice soon came trotting along the table and did the same.
Mr. H. is a man of great self-control. He did not tear his remaining locks, or commit any other rash act, but with all the calmness of despair he set fire to the unfinished treatise, and saw it consumed; then he retired to bed, a desolate individual, and rose not again for several days.