Levity is often less foolish and gravity less wise than each of them appears.

Doubt is the vestibule of faith.

As no roads are so rough as those that have just been mended, so no sinners are so intolerant as those that have just turned saints.

He who knows himself knows others.

He that dies a martyr proves that he was not a knave, but by no means that he was not a fool.

We know the effects of many things, but the cause of few; experience, therefore, is a surer guide than imagination, and inquiry than conjecture.

He that has never known adversity is but half acquainted with others, or with himself.