The greatest happiness is to know the source of unhappiness.

Man has such a predilection for systems and abstract deductions that he is ready to distort the truth intentionally he is ready to deny the evidence of his senses only to justify his logic.

If you happen to have a wart on your nose or forehead, you cannot help imagining that no one in the world has anything else to do but stare at your wart, laugh at it, and condemn you for it, even though you have discovered America.

Suffering is the sole origin of consciousness.

Originality and the feeling of one's own dignity are achieved only through work and struggle.

To crush, to annihilate a man utterly, to inflict on him the most terrible of punishments so that the most ferocious murderer would shudder at it and dread it beforehand, one need only give him work of an absolutely, completely useless and irrational character.

The formula 'two and two make five' is not without its attractions.

The jealous are the readiest of all to forgive, and all women know it.

Who doesn't desire his fathers death?

The formula "two and two make five" is not without its attractions.