There is no failure except the failure of trying.

Failure -- The man who can tell others what to do and how to do it, but never does it himself.

Respectability is the dickey on the bosom of civilization.

The teacher is one who makes two ideas grow where only one grew before.

In these days, a man who says a thing cannot be done is quite apt to be interrupted by some idiot doing it.

Don't lose faith in humanity; think of all the people in the United States who have never played you a single nasty trick.

The only foes that threaten America are the enemies at home, and these are ignorance, superstition and incompetence.