Man may be considered as a superior species of animal that produces philosophies and poems in about the same way a silkworm produces their cocoons and bees their hives.
Change a virtue in its circumstances find it becomes a vice; change a vice in its circumstances, and it becomes a virtue. Regard the same quality from two sides; on one it is a fault, on the other a merit. The essential of a man is found concealed far below these moral badges.
Kindly politeness is the slow fruit of advanced reflection; it is a sort of humanity and kindliness applied to small acts and every day discourse: it bids man soften towards others, and forget himself for the sake of others: it constrains genuine nature, which is selfish and gross.
To have a true idea of man or of life, one must have stood himself on the brink of suicide, or on the door-sill of insanity, at least once.
The production of a work of art is determined by the material and intellectual climate in which a man lives and dies.
There are four types of men in the world: lovers, opportunists, lookers-on, and imbeciles. The happiest are the imbeciles.