It is an end with priests and gods, if man becomes scientific. Moral: science is the thing forbidden in itself - it alone is forbidden. Science is the first sin, the germ of all sin, original sin. This alones is mortality: Thou shalt not know.

The most fundamental form of human stupidity is forgetting what we were trying to do in the first place.

A sedentary life is the real sin against the Holy Spirit. Only those thoughts that come by walking have any value.

Strong currents drag many stones and bushes along with them, strong intellects many dense and muddled minds.

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.

Danger alone acquaints us with our own resources, our virtues, our armor and weapons, our spirit, and forces us to be strong.

One must repay good and ill; but why just to the person who did us good or ill?