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single science, or any branch of it, that might not furnish a man with business for life, though it were much longer than it is.

I shall not here engage on those beaten subjects of the usefulness of knowledge, nor of the pleasure and perfection it gives the mind; nor on the methods of attaining it, nor recommend any particular branch of it; all which have been the topics of many other writers: but shall indulge myself in a speculation that is more uncommon, and may therefore perhaps be more entertaining.

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I have before shewn how the unemployed parts of life appear long and tedious, and shall here endeavour to shew how those parts of life which are exercised in study, reading, and the pursuits of knowledge, are long, but not tedious, and by that means discover a method of lengthening our lives, and at the same time of turning all the parts of them to our advantage.

Mr. Locke observes, 'That we get the idea of time or duration, by reflecting on that train of ideas which succeed one another in our minds: that for this reason, when we sleep soundly without dreaming, we have no perception of time, or the length of it whilst we sleep; and that the moment wherein we leave off to think, till the moment we begin to think again, seem to have no distance.' To which the author adds, and so I doubt not but it would be to a waking man, if it were possible for him to keep only one idea in his mind, without variation, and the succession of others; and we see, that one who fixes his thoughts very intently on one thing, so as to take but little notice of the succession of ideas that pass in his mind whilst he is taken up with that earnest contemplation, lets slip out of his account a good

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part of that duration, and thinks that time shorter than it is '.'

We might carry this thought further, and consider a man as, on one side, shortening his time by thinking on nothing, or but a few things; so on the other, as lengthening it, by employing his thoughts on many subjects, or by entertaining a quick and constant succession of ideas. Accordingly, monsieur Mallebranche, in his Inquiry after Truth, (which was published several years before Mr. Locke's Essay on Human Understanding) tells us, that it is possible some creatures may think half an hour as long as we do a thousand years; or look upon that space of duration which we call a minute, as an hour, a week, a month, or a whole age.'

This notion of monsieur Mallebranche is capable of some little explanation from what I have quoted out of Mr. Locke; for if our notion of time is produced by our reflecting on the succession of ideas in our mind, and this succession may be infinitely accelerated or retarded, it will follow, that different beings may have different notions of the same parts of duration, according as their ideas, which we suppose are equally distinct in each of them, follow one another in a greater or less degree of rapidity.

There is a famous passage in the Alcoran, which looks as if Mahomet had been possessed of the notion we are now speaking of. It is there said, that the Angel Gabriel took Mahomet out of his bed one morning to give him a sight of all things in the seven heavens, in paradise, and in hell, which the prophet took a distinct view of; and after having held ninety thousand conferences with God, was brought back

1 Essay on Human Understanding, b. ii. ch. xiv. sect. 4. VOL. II.

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again to his bed. All this, says the Alcoran, was transacted in so small a space of time, that Mahomet at his return found his bed still warm, and took up an earthen pitcher, which was thrown down at the very instant that the Angel Gabriel carried him away, before the water was all spilt 2.

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There is a very pretty story in the Turkish tales which relates to this passage of that famous impostor, and bears some affinity to the subject we are now upon. A sultan of Egypt, who was an infidel, used to laugh at this circumstance in Mahomet's life, as what was altogether impossible and absurd: but conversing one day with a great doctor in the law, who had the gift of working miracles, the doctor told him he would quickly convince him of the truth of this passage in the history of Mahomet, if he would consent to do what he would desire of him. Upon this the sultan was directed to place himself by a huge tub of water, which he did accordingly; and as he stood by the tub amidst a circle of his great men, the holy man bid him plunge his head into the water, and draw it up again. The king accordingly thrust his head into the water, and at the same time found himself at the foot of a mountain on a seashore. The king immediately began to rage against his doctor for this piece of treachery and witchcraft; but at length, knowing it was in vain to be angry, he set himself to think on proper methods for getting a livelihood in this strange country. Accordingly

The Koran (Al Koran) has been searched for this passage; but no such relation is to be found in it. In a Life of Mahomet (London, 8vo. 1712) we find a passage something similar, but rather less extravagant, as it extends the duration of the journey to a "tenth part of the night."

he appiied himself to some people whom he saw at work in a neighbouring wood: these people con ducted him to a town that stood at a little distance from the wood, where, after some adventures, he married a woman of great beauty and fortune. He lived with this woman so long, that he had by her seven sons and seven daughters. He was afterwards reduced to great want, and forced to think of plying in the streets as a porter for his livelihood. One day as he was walking alone by the sea-side, being seized with many melancholy reflections upon his former and his present state of life, which had raised a fit of devotion in him, he threw off his clothes with a design to wash himself, according to the custom of the Mahometans, before he said his prayers.

After his first plunge into the sea, he no sooner raised his head above the water but he found himself standing by the side of the tub, with the great men of his court about him, and the holy man at his side. He immediately upbraided his teacher for having sent him on such a course of adventures, and betrayed him into so long a state of misery and servitude; but was wonderfully surprised when he heard that the state he talked of was only a dream and delusion; that he had not stirred from the place where he then stood; and that he had only dipped his head into the water, and immediately taken it out again.

The Mahometan doctor took this occasion of instructing the sultan, that nothing was impossible with God; and that He, with whom a thousand years are but as one day, can, if he pleases, make a single day, nay, a single moment, appear to any of his creatures as a thousand years.

I shall leave my reader to compare these eastern

fables with the notions of those two great philosophers whom I have quoted in this paper; and shall only, by way of application, desire him to consider how we may extend life beyond its natural dimensions, by applying ourselves diligently to the pursuits of knowledge.

The hours of a wise man are lengthened by his ideas, as those of a fool are by his passions. The time of the one is long, because he does not know what to do with it; so is that of the other, because he distinguishes every moment of it with useful or amusing thoughts; or, in other words, because the one is always wishing it away, and the other always enjoying it.

How different is the view of past life, in the man who is grown old in knowledge and wisdom, from that of him who is grown old in ignorance and folly! The latter is like the owner of a barren country, that fills his eye with the prospect of naked hills and plains, which produce nothing either profitable or ornamental; the other beholds a beautiful and spacious landscape divided into delightful gardens, green meadows, fruitful fields, and can scarce cast his eye on a single spot of his possessions, that is not covered with some beautiful plant or flower.

** ADDISON.

L.

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