The Superman is the meaning of the earth. Let your will say: The Superman shall be the meaning of the earth!

Mathematics is merely the means to a general and ultimate knowledge of man.

When an idea is just rising on the horizon, the soul's temperature with respect to it is usually very cold. Only gradually does the idea develop its warmth, and it is hottest (which is to say, exerting its greatest influence) when belief in the idea is already once again in decline.

A pair of powerful spectacles has sometimes sufficed to cure a person in love.

In our own presence, we all pretend to be simpler than we are: thus we take a break from our fellow human beings.

Anyone who has looked deeply into the world may guess how much wisdom lies in the superficiality of men. The instinct that preserves them teaches them to be flighty light, and false.

Science and art have that in common that everyday things seem to them new and attractive.