I conjure you, my brethren, to remain faithful to earth, and do not believe those who speak unto you of super terrestrial hopes! Poisoners they are, whether they know it or not.

I fear animals regard man as a creature of their own kind which has in a highly dangerous fashion lost its healthy animal reason - as the mad animal, as the laughing animal, as the weeping animal, as the unhappy animal.

Whoever turns away from us might not offend us in doing so perhaps, but he certainly offends our followers.

There are no facts, only interpretations.

If we make sacrifices in doing good or in doing ill, it does not alter the ultimate value of our actions; even if we stake our life in the cause, as martyrs do for the sake of our church : it is a sacrifice to our longing for power, or for the purpose of conserving our sense of power.

Scholars who become politicians are usually assigned the comic role of having to be the good conscience of state policy.

But eternal liveliness is what counts: what does "eternal life" matter, or life at all?