One must never have spared oneself, one must have acquired hardness as a habit to be cheerful and in good spirits in the midst of nothing but hard truths.

All credibility, all good conscience, all evidence of truth come only from the senses.

If there is to be art, if there is to be any aesthetic doing and seeing, one physiological condition is indispensable: frenzy.

The hypocrite who always plays one and the same part ceases at last to be a hypocrite.

The noble soul reveres itself

Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are, and so makes its theory more popular and convincing.

Men are cowards when it comes to the "eternally feminine": and the little women know it.