Diseases of the soul are more dangerous and more numerous than those of the body..

Rashness is the companion of youth, prudence of old age..

There is no castle so strong that it cannot be overthrown by money..

It is virtue, virtue, which both creates and preserves friendship. On it depends harmony of interest, permanence, fidelity..

We forget our pleasures, we remember our sufferings..

As I breathe, I hope..

What an ugly beast the ape, and how like us..

Let us not go over the old ground but rather prepare for what is to come..

All the arts of refinement have mutual kinship..

If the oarsmen of a fast-moving ship suddenly cease to row, the suspension of the driving force of the oars doesn't prevent the vessel from continuin….

The evil implanted in man by nature spreads so imperceptibly, when the habit of wrong-doing is unchecked, that he himself can set no limit to his sha….

No man should so act as to make a gain out of the ignorance of another..

I prefer the wisdom of the uneducated to the folly of the loquacious..

Hours and days and months and years go by; the past returns no more, and what is to be we cannot know; but whatever the time gives us in which we liv….

Friendship makes prosperity brighter, while it lightens adversity by sharing its griefs and anxieties. [Lat., Secundas res splendidiores facit amicit….

Let every man practise the trade which he best understands..

Every man's friend is no man's friend..

Philosophy is true mother of the arts [of science]..

A man has no enemy worse than himself..

What is permissible is not always honorable..

He who hangs on the errors of the ignorant multitude, must not be counted among great men..