Practice what you preach or change your speech.

If everyone were clothed with integrity, if every heart were just, frank, kindly, the other virtues would be well-nigh unless, since their chief purpose is to make us bear with patience the injustice of our fellows.

You must never be fearful about what you are doing when it is right.

If you are ever tempted to look for outside approval, realize that you have compromised your integrity.

If it is any use to know it, I always try to write on the principle of the iceberg. There is seven-eighths of it under water for every part that shows.

No man, for any considerable period, can wear one face to himself, and another to the multitude, without finally getting bewildered as to which may be true.

It cannot be your duty to do anything that is beyond your reach or your strength at the moment. It cannot be your duty to do anything that sacrifices your own integrity or your own spiritual development.

Be true to your work, your word, and your friend.

To be able to practice five things everywhere under the heaven constitutes perfect virtue. . . gravity, generosity of soul, sincerity, earnestness and kindness.

Humility is a virtue all preach, none practice; and yet everybody is content to hear.

Real excellence does not come cheaply. A certain price must be paid in terms of practice, patience, and persistence—natural ability notwithstanding.

A Constitution of Government once changed from Freedom, can never be restored. Liberty, once lost, is lost forever.

The thought of only being a creature of the present and the past was troubling. I longed for a future, too, with hope in it. The desire to be free, awakened my determination to act, to think, and to speak.

The day will soon come when I will show the world that the transmission of power and speech without the aid of any wires is possible.

It is by the goodness of God that in our country we have those three unspeakably gracious things: freedom of speech, freedom of conscience, and the prudence never to practice either of them.

Since men are neither omniscient nor infallible, they must be free to agree or disagree, to cooperate or to pursue their own independent course, each according to his own rational judgment. Freedom is the fundamental requirement of man's mind.

The truth is always exciting. Speak it, then. Life is dull without it.

Teach your child to hold his tongue; he'll learn fast enough to speak.

Man's tongue is soft, and bone doth lack; yet a stroke therewith may break a man's back.