In mathematics I can report no deficiency, except it be that men do not sufficiently understand the excellent use of Pure Mathematics.

And as for Mixed Mathematics, I may only make this prediction, that there cannot fail to be more kinds of them, as nature grows further disclosed.

The momentous thing in human life is the art of winning the soul to good or evil.

Very few people have a natural feeling for painting, and so, of course, they naturally think that painting is an expression of the artist's mood. But it rarely is. Very often he may be in greatest despair and be painting his happiest paintings.

Men leave their riches either to their kindred or their friends, and moderate portions prosper best in both.

None of the affections have been noted to fascinate and bewitch but envy.

Revenge is a kind of wild justice, which the more a man's nature runs to, the more ought law to weed it out.