Sanity is madness put to good use.

Gnomic wisdom, however, is notoriously polychrome, and proverbs depend for their truth entirely on the occasion they are applied to. Almost every wise saying has an opposite one, no less wise, to balance it.

The works of nature first acquire a meaning in the commentaries they provoke.

With an artist no sane man quarrels, any more than with the colour of a child's eyes.

It is pathetic to observe how lowly the motives are that religion, even the highest, attributes to the deity... To be given the best morsel, to be remembered, to be praised, to be obeyed blindly and punctiliously - these have been thought points of honor with the gods.

If pain could have cured us we should long ago have been saved.

If a man really knew himself he would utterly despise the ignorant notions others might form on a subject in which he had such matchless opportunities for observation.