He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.

You ought to choose both physician and friend, not the most agreeable, but the most useful.

The people have a right to the truth as they have a right to life, liberty and the pursuit of happiness.

Make it your business to draw out the best in others by being an exemplar yourself.

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.

Men are disturbed not by the things that happen, but by their opinion of the things that happen.

The foolish and the uneducated have little use for freedom. Only the educated are free.