Life is an instinct for growth, for survival, for the accumulation of forces, for power.

there they laugh: they do not understand me; I am not the mouth for these ears.

A vocation is the backbone of life.

Nothing is beautiful, only man: on this piece of naivete rests all aesthetics, it is the first truth of aesthetics. Let us immediately add its second: nothing is ugly but degenerate man - the domain of aesthetic judgment is therewith defined.

God is Dead; but given the way of men, there may still be caves for thousands of years in which his shadow will be shown. And we - we still have to vanquish his shadow, too.

Not necessity, not desire - no, the love of power is the demon of men. Let them have everything - health, food, a place to live, entertainment - they are and remain unhappy and low-spirited: for the demon waits and waits and will be satisfied.

It is perhaps just dawning on five or six minds that physics, too, is only an interpretation and exegesis of the world (to suit us, if I may say so!) and not a world-explanation.