Our theories of the eternal are as valuable as are those that a chick which has not broken its way through its shell might form of the outside world.
He who envies others does not obtain peace of mind.
Look not to the faults of others, nor to their omissions and commissions. But rather look to your own acts, to what you have done and left undone.
With fools, there is no companionship. Rather than to live with men who are selfish, vain, quarrelsome, and obstinate, let a man walk alone.
Do not look for a sanctuary in anyone except your self.
Conquer the angry one by not getting angry; conquer the wicked by goodness; conquer the stingy by generosity, and the liar by speaking the truth.