It was Christianity, with its heartfelt resentment against life, that first made something unclean of sexuality: it threw filth on the origin, on the essential fact of our life.
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.
That whatever a man says, promises, or resolves in passion he must stick to later on when he is cold and sober--this demand is among the heaviest burdens that weigh on humankind.
Preparatory human beings. - I welcome all signs that a more virile, warlike age is about to begin, which will restore honour to courage above all! For this age shall prepare the way for one yet higher, and it shall gather the strength that this higher age will require some day - the age that will carry heroism into the search for knowledge and that will wage wars for the sake of ideas and their consequences.