Consistency is the enemy of enterprise, just as symmetry is the enemy of art.

Morality is not respectability.

Consciousness of a fact is not knowing it: if it were, the fish would know more of the sea than the geographers and the naturalists.

Parentage is a very important profession, but no test of fitness for it is ever imposed in the interest of the children.

Oh, well, if you want original conversations, you'd better go and talk to yourself.

Most people go to their grave with their music inside them.

In the arts of life main invents nothing; but in the arts of death he outdoes Nature herself, and produces by chemistry and machinery all the slaughter of plague, pestilence and famine. ... There is nothing in Man's industrial machinery but his greed and sloth: his heart is in his weapons.