Women and egoistic artists entertain a feeling towards science that is something composed of envy and sentimentality.

And you tell me, friends, that there is no disputing taste and tasting? But all life is a dispute over taste and tasting!

When one is young, one venerates and despises without that art of nuances which constitutes the best gain of life, and it is only fair that one has to pay dearly for having assaulted men and things in this manner with Yes and No. Everything is arranged so that the worst of tastes, the taste for the unconditional, should be cruelly fooled and abused until a man learns to put a little art into his feelings and rather to risk trying even what is artificial — as the real artists of life do.

There is more wisdom in your body than in your deepest philosophy.

I condemn Christianity; I bring against the Christian Church the most terrible of all accusations that an accuser has ever had in his mouth. It is, to me, the greatest of all imaginable corruptions; it seeks to work the ultimate corruption, the worse possible corruption. The Christian Church has left nothing untouched by its depravity; it has turned every value into worthlessness, and every truth into a lie, and every integrity into baseness of soul.

Spirit is the life that itself cuts into life: with its own torment it increases its own knowledge. Did you already know that?

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.