False language, evil in itself, infects the soul with evil.

Whom do I call educated? First, those who manage well the circumstances they encounter day by day. Next, those who are decent and honorable in their intercourse with all men, bearing easily and good naturedly what is offensive in others and being as agreeable and reasonable to their associates as is humanly possible to be... those who hold their pleasures always under control and are not ultimately overcome by their misfortunes... those who are not spoiled by their successes, who do not desert their true selves but hold their ground steadfastly as wise and sober - minded men.

There is no illness of the body except for the mind

The envious person grows lean with the fatness of their neighbor.

I alone know I am wise because I alone know I know nothing.

Only the knowledge that comes from inside is the real Knowledge

The partisan when he is engaged in a dispute, cares nothing about the rights of the question, but is anxious only to convince his hearers of his own assertions.