Leave Other People's Mistakes Where They Lie.

It Is The Duty Of Men To Love Even Those Who Injure Them.

The One Thing Worth Living For Is To Keep One's Soul Pure.

Always Follow These Two Rules: First, Act Only On What Your Reasoning Mind Proposes For The Good Of Humanity, And Second, Change Your Opinion If Someone Shows You It's Wrong. This Change Of Mind Must Proceed Only From The Conviction That It's Both Correct And For The Common Good, But Not Because It Will Give You Pleasure And Make You Popular.

Men Exist For The Sake Of One Another.

The Wise Man Sees In The Misfortune Of Others What He Should Avoid.