Those who believe absurdities will commit atrocities.

If you are attacked as regards your style, never reply; it is for your work alone to make answer.

The only way to comprehend what mathematicians mean by Infinity is to contemplate the extent of human stupidity.

It is an infantile superstition of the human spirit that virginity would be thought a virtue and not the barrier that separates ignorance from knowledge.

The famous physician Dumoulin said when dying, 'I leave two great physicians behind me, simple food and pure water.'

Constant happiness is the philosopher's stone of the soul.

The secret of being a bore... is to tell everything.