You are rewarding a teacher poorly if you remain always a pupil.

When marrying, ask yourself this question: Do you believe that you will be able to converse well with this person into your old age? Everything else in marriage is transitory.

We would not let ourselves be burned to death for our opinions: we are not sure enough of them for that.

One must first be firmly set in oneself, one must stand securely on one's own two legs otherwise one cannot love at all.

In order to be somebody you have to hold even your shadow in high regard.

The superman is the meaning of the earth. Let your will say: the superman is to be the meaning of the earth! I beseech you, my brothers, be true to the earth, and do not believe those who speak to you of otherworldly hopes! They are poisoners, whether they know it or not.

Animals know nothing of themselves, and they also know nothing of the world.