Don't dissipate your powers; strive to concentrate them. Genius thinks it can do whatever it sees others doing, but it will surely repent of every ill-judged outlay.

Man is made by his belief. As he believes, so he is.

Look at a man the way he is and he only becomes worse, but look at him as if he were what he could be, then he becomes what he should be.

There is no outward sign of true courtesy that does not rest on a deep moral foundation.

I have, alas! Philosophy, Medicine, Jurisprudence too, And to my cost Theology, With ardent labor, studied through. And here I stand, with all my lore, Poor fool, no wiser than before.

Time itself is an element.

Mysterious in the light of day, nature retains her veil, despite our clamours: That which she does not willingly display cannot be wrenched from her with levers, screws and hammers.