The imagination, which is remarkable for its ungovernable influence, comes into action on some occasions periodically with the most precise regularity. A friend once told us of a young relation who was subject to nervous attacks: she was spending some time at the sea-side for change of air, but the evening-gun, fired from the vessel in the bay at eight o'clock, was always the signal for a nervous attack: the instant the report was heard she fell back insensible, as if she had been shot. Those about her endeavored if possible to withdraw her thoughts from the expected moment: at length one evening they succeeded, and while she was engaged in an interesting conversation the evening-gun was unnoticed. By-and-by she asked the hour, and appeared uneasy when she found the time had passed. The next evening it was evident that she would not let her attention be withdrawn: the gun fired, and she swooned away: and when revived, another fainting fit succeeded, as if it were to make up for the omission of the preceding evening! It is told of the great tragic actress Clairon, who had been the innocent cause of the suicide of a man who destroyed himself by a pistol-shot, that ever after, at the exact moment when the fatal deed had been perpetrated—one o'clock in the morning—she heard the shot. If asleep, it awakened her; if engaged in conversation, it interrupted her; in solitude or in company, at home or traveling, in the midst of revelry or at her devotions, she was sure to hear it to the very moment.
The same indelible impression has been made in hundreds of cases, and on persons of every variety of temperament and every pursuit, whether engaged in business, science, or art, or rapt in holy contemplation. On one occasion Pascal had been thrown down on a bridge which had no parapet, and his imagination was so haunted forever after by the danger, that he always fancied himself on the brink of a steep precipice overhanging an abyss ready to engulf him. This illusion had taken such possession of his mind that the friends who came to converse with him were obliged to place the chairs on which they seated themselves between him and the fancied danger. But the effects of terror are the best known of all the vagaries of imagination.
A very remarkable case of the influence of imagination occurred between sixty and seventy years since in Dublin, connected with the celebrated frolics of Dalkey Island. It is said Curran and his gay companions delighted to spend a day there, and that with them originated the frolic of electing "a king of Dalkey and the adjacent islands," and appointing his chancellor and all the officers of state. A man in the middle rank of life, universally respected, and remarkable alike for kindly and generous feelings and a convivial spirit, was unanimously elected to fill the throne. He entered with his whole heart into all the humors of the pastime, in which the citizens of Dublin so long delighted. A journal was kept, called the "Dalkey Gazette," in which all public proceedings were inserted, and it afforded great amusement to its conductors. But the mock pageantry, the affected loyalty, and the pretended homage of his subjects, at length began to excite the imagination of "King John," as he was called. Fiction at length became with him reality, and he fancied himself "every inch a king." His family and friends perceived with dismay and deep sorrow the strange delusion which nothing could shake: he would speak on no subject save the kingdom of Dalkey and its government, and he loved to dwell on the various projects he had in contemplation for the benefit of his people, and boasted of his high prerogative: he never could conceive himself divested for one moment of his royal powers, and exacted the most profound deference to his kingly authority. The last year and a half of his life were spent in Swift's hospital for lunatics. He felt his last hours approaching, but no gleam of returning reason marked the parting scene: to the very last instant he believed himself a king, and all his cares and anxieties were for his people. He spoke in high terms of his chancellor, his attorney-general, and all his officers of state, and of the dignitaries of the church: he recommended them to his kingdom, and trusted they might all retain the high offices which they now held. He spoke on the subject with a dignified calmness well becoming the solemn leave-taking of a monarch; but when he came to speak of the crown he was about to relinquish forever his feelings were quite overcome, and the tears rolled down his cheeks: "I leave it," said he, "to my people, and to him whom they may elect as my successor!" This remarkable scene is recorded in some of the notices of deaths for the year 1788. The delusion, though most painful to his friends, was far from an unhappy one to its victim: his feelings were gratified to the last while thinking he was occupied with the good of his fellow-creatures—an occupation best suited to his benevolent disposition.
MYSTERIES!
"I believe nothing that I do not understand," is the favorite saying of Mr. Pettipo Dapperling, a gentleman who very much prides himself on his intellectual perspicacity. Yet ask Mr. Pettipo if he understands how it is that he wags his little finger, and he can give you no reasonable account of it. He will tell you (for he has read books and "studied" anatomy), that the little finger consists of so many jointed bones, that there are tendons attached to them before and behind, which belong to certain muscles, and that when these muscles are made to contract, the finger wags. And this is nearly all that Mr. Pettipo knows about it! How it is that the volition acts on the muscles, what volition is, what the will is—Mr. Pettipo knows not. He knows quite as little about the Sensation which resides in the skin of that little finger—how it is that it feels and appreciates forms and surfaces—why it detects heat and cold—in what way its papillæ erect themselves, and its pores open and close—about all this he is entirely in the dark. And yet Mr. Pettipo is under the necessity of believing that his little finger wags, and that it is endowed with the gift of sensation, though he in fact knows nothing whatever of the why or the wherefore.
We must believe a thousand things that we can not understand. Matter and its combinations are a grand mystery—how much more so, Life and its manifestations. Look at those far-off worlds majestically wheeling in their appointed orbits, millions of miles off: or, look at this earth on which we live, performing its diurnal motion upon its own axis, and its annual circle round the sun! What do we understand of the causes of such motions? what can we ever know about them, beyond the facts that such things are so? To discover and apprehend facts is much, and it is nearly our limit. To ultimate causes we can never ascend. But to have an eye open to receive facts and apprehend their relative value—that is a great deal—that is our duty; and not to reject, suspect, or refuse to accept them, because they happen to clash with our preconceived notions, or, like Mr. Pettipo Dapperling, because we "can not understand" them.
"O, my dear Kepler!" writes Galileo to his friend, "how I wish that we could have one hearty laugh together! Here at Padua is the principal Professor of Philosophy, whom I have repeatedly and urgently requested to look at the moon and planets through my glass, which he pertinaciously refuses to do. Why are you not here? What shouts of laughter we should have at this glorious folly! And to hear the Professor of Philosophy at Pisa lecturing before the Grand Duke with logical arguments, as if with magical incantations to charm the new planets out of the sky!"
Rub a stick of wax against your coat-sleeve, and it emits sparks: hold it near to light, fleecy particles of wool or cotton, and it first attracts, then it repels them. What do you understand about that, Mr. Pettipo, except merely that it is so? Stroke the cat's back before the fire, and you will observe the same phenomena. Your own body will, in like manner, emit sparks in certain states, but you know nothing about why it is so.
Pour a solution of muriate of lime into one of sulphate of potash—both clear fluids; but no sooner are they mixed together than they become nearly solid. How is that? You tell me that an ingredient of the one solution combines with an ingredient of the other, and an insoluble sulphate of lime is produced. Well! you tell me a fact; but you do not account for it by saying that the lime has a greater attraction for the sulphuric acid than the potash has: you do not understand how it is—you merely see that it is so. You must believe it.