"I am not a hero; I am a mere manufacturer."

"The man who thinks he knows everything is the man who knows nothing."

"The older I get, the more I realize that the quality of your life is determined by the quality of your relationships."

"Education is not the filling of a pail, but the lighting of a fire."

"The first requisite of a good citizen in this republic of ours is that he shall be able and willing to pull his own weight."