If we train our conscience, it kisses us while it hurts

I have not come to know atheism as a result of logical reasoning and still less as an event in my life: in me it is a matter of instinct.

It is obvious that all sense has gone out of modern marriage; which is, however, no objection to marriage but to modernity.

Fathers and sons are much more considerate of one another than mothers and daughters.

But like infection is the petty thought: it creeps and hides, and wants to be nowhere--until the whole body is decayed and withered by the petty infection... Thus spoke Zarathustra.

Look not into the sun! Even the moon is too bright for your nocturnal eyes!

Only with the ultimate knowledge of all things will man have come to know himself. For things are but the boundaries of man.