Man is an intelligence in servitude to his organs.
Man is born free, and everywhere he is in chains.
Man is a credulous animal, and must believe something; in the absence of good grounds for belief, he will be satisfied with bad ones.
Man is the only kind of varmint sets his own trap, baits it, then steps in it.
Man's capacity for justice makes democracy possible, but man's inclination to injustice makes democracy necessary.
The measure of a man is what he does with power.

Man is least himself when he talks in his own person. Give him a mask, and he will tell you the truth.

Man will never be free until the last king is strangled with the entrails of the last priest.

Man is the only creature who refuses to be what he is.
Man is a complex being: he makes deserts bloom—and lakes die.

Man is a rope stretched between the animal and the Superman — a rope over an abyss.
Man's mind, once stretched by a new idea, never regains its original dimensions.
Man must evolve for all human conflict a method which rejects revenge, aggression and retaliation. The foundation of such a method is love.
Man is a goal-seeking animal. His life only has meaning if he is reaching out and striving for his goals.
Man is the measure of all things.
Man cannot remake himself without suffering, for he is both the marble and the sculptor.
Man is condemned to be free.