Work spares us from three evils: boredom, vice, and need.

God is a circle whose center is everywhere and circumference nowhere.

When we cannot use the compass of mathematics or the torch of experience...it is certain we cannot take a single step forward.

Why are the Jews hated? It is the inevitable result of their laws; they either have to conquer everybody or be hated by the whole human race.

Men appear to prefer ruining one another's fortunes, and cutting each other's throats about a few paltry villages, to extending the grand means of human happiness.

If one does not reflect, one thinks oneself master of everything; but when one does reflect, one realizes that one is master of nothing.

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