Friends Are Proved By Adversity.

The Dutifulness Of Children Is The Foundation Of All Virtues.

Because All The Sick Do Not Recover, Therefore Medicine Is Not An Art.

Friendship Is The Only Thing In The World Concerning The Usefulness Of Which All Mankind Are Agreed.

Frivolity Is Inborn, Conceit Acquired By Education.

If The Truth Were Self-evident, Eloquence Would Be Unnecessary.