Man carries the world in his head, the whole astronomy and chemistry suspended in a thought. Because the history of nature is charactered in his brain, therefore he is the prophet and discoverer of her secrets. Every known fact in natural science was divined by the presentiment of somebody, before it was actually verified.
Nothing can be more delicate without being fantastical, nothing more firm and based in nature and sentiment, than the courtship and mutual carriage of the sexes.
Motion or change, and identity or rest, are the first and second secrets of nature: Motion and Rest. The whole code of her laws may be written on the thumbnail, or the signet of a ring.
Nature never rhymes her children, nor makes two men alike. When we see a great man, we fancy a resemblance to some historical person, and predict the sequel of his character and fortune, a result which he is sure to disappoint. None will ever solve the problem of his character according to our prejudice, but only in his high unprecedented way.
But I cannot recite, even thus rudely, laws of the intellect, without remembering that lofty and sequestered class of men who have been its prophets and oracles, the high-priesthood of the pure reason, the Trismegisti, the expounders of the principles of thought from age to age.
Meek young men grow up in libraries, believing it their duty to accept the views which Cicero, which Locke, which Bacon, have given, forgetful that Cicero, Locke, and Bacon were only young men in libraries, when they wrote these books.