“Sexual intercourse is a slight attack of apoplexy.”

The sweetest things become the most bitter by excess.

Many much-learned men have no intelligence.

Envy creates the beginning of strife.

More men have become great through practice than by nature.

Happiness resides not in possessions, and not in gold, happiness dwells in the soul.

The person who can laugh with life has developed deep roots with confidence and faith-faith in oneself, in people and in the world, as contrasted to negative ideas with distrust and discouragement.

Tis hard to fight with anger, but the prudent man keeps it under control.

Disease of the home and of the life comes about in the same way as that of the body.

If thou suffer injustice, console thyself; the true unhappiness is in doing it.

Nothing exists except atoms and empty space; everything else is opinion.

To a wise and good man the whole earth is his fatherland.

I would rather discover one true cause than gain the kingdom of Persia.

Soul and intellect are just the same things.

It is better to destroy one’s own errors than those of others.

Education is an ornament for the prosperous, a refuge for the unfortunate.

Virtue isn’t not wronging others but not wishing to wrong others.