The superiority of the distant over the present is only due to the mass and variety of the pleasures that can be suggested, compared with the poverty of those that can at any time be felt.
Fanaticism consists of redoubling your effort when you have forgotten your aim.
Perhaps the only true dignity of man is his capacity to despise himself.
For a man who has done his natural duty, death is as natural as sleep.
Intelligence is quickness in seeing things as they are.
Knowledge is not eating, and we cannot expect to devour and possess what we mean. Knowledge is recognition of something absent; it is a salutation, not an embrace.