Ye shall only have foes to be hated; but not foes to be despised: ye must be proud of your foes.

When we dream about those who are long since forgotten or dead, it is a sign that we have undergone a radical transformation and that the ground on which we live has been completely dug up: then the dead rise up, and our antiquity becomes modernity.

What I understand by "philosopher": a terrible explosive in the presence of which everything is in danger.

Idleness is the parent of psychology.

From the State the exceptional individual cannot expect much. He is seldom benefited by being taken into its service; the only certain advantage it can give him is complete independence. Only real culture will prevent him being too early tired out or used up, and will spare him the exhausting struggle against culture-philistinism.

Error has made animals into men; is truth in a position to make men into animals again?

Out of damp and gloomy days, out of solitude, out of loveless words directed at us, conclusions grow up in us like fungus: one morning they are there, we know not how, and they gaze upon us, morose and gray. Woe to the thinker who is not the gardener but only the soil of the plants that grow in him.