It is the act of a bad man to deceive by falsehood.

He who has once deviated from the truth, usually commits perjury with as little scruple as he would tell a lie.

Nature has planted in our minds an insatiable longing to see the truth.

For while we are enclosed in these confinements of the body, we perform as a kind of duty the heavy task of necessity; for the soul from heaven has been cast down from its dwelling on high and sunk, as it were, into the earth, a place just the opposite to godlike nature and eternity. But I believe that the immortal gods have sown souls in human bodies so there might exist beings to guard the world and after contemplating the order of heaven, might imitate it by their moderation and steadfastness in life.

All great men are partially inspired.

Hatreds not vowed and concealed are to be feared more than those openly declared.

Everyone has the obligation to ponder well his own specific traits of character. He must also regulate them adequately and not wonder whether someone else's traits might suit him better. The more definitely his own a man's character is, the better it fits him.