There is but one way to tranquility of mind and happiness, and that is to account no external things thine own, but to commit all to God.

In theory there is nothing to hinder our following what we are taught;but in life there are many things to draw us aside.

In prosperity it is very easy to find a friend; but in adversity it is the most difficult of all things.

He who laughs at himself never runs out of things to laugh at.

These reasonings are unconnected: "I am richer than you, therefore I am better"; "I am more eloquent than you, therefore I am better." The connection is rather this: "I am richer than you, therefore my property is greater than yours;" "I am more eloquent than you, therefore my style is better than yours." But you, after all, are neither property nor style.

Learn to distinguish what you can and can't control. Within our control are our own opinions, aspirations, desires and the things that repel us. They are directly subject to our influence.

The essence of good and evil is a certain disposition of the will.