The strongest and most evil spirits have to date advanced mankind the most: they always rekindled the sleeping passions - all orderly arranged society lulls the passions to sleep; they always reawakened the sense of comparison, of contradiction, of delight in the new, the adventurous, the untried; they compelled men to set opinion against opinion, ideal plan against ideal plan.

Nothing has been purchased more dearly than the little bit of reason and sense of freedom which now constitutes our pride.

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

At times one remains faithful to a cause only because its opponents do not cease to be insipid.

Our vanity is hardest to wound precisely when our pride has just been wounded.

It is nobler to declare oneself wrong than to insist on being right --especially when one is right.

Ah, women. They make the highs higher and the lows more frequent.