“It is the province of knowledge to speak and it is the privilege of wisdom to listen.”

“When men have realized that time has upset many fighting faiths, they may come to believe... that the ultimate good desired is better reached by free trade in ideas-- that the best test of truth is the power of the thought to get itself accepted in the competition of the market, and that truth is the only ground upon which their wishes safely can be carried out. That at any rate is the theory of our Constitution. It is an experiment. As all life is an experiment. Every year if not every day we wager our salvation upon some prophecy based upon imperfect knowledge. ”

“The young man knows the rules but the old man knows the exceptions.”

“For the simplicity on this side of complexity, I wouldn't give you a fig. But for the simplicity on the other side of complexity, for that I would give you anything I have.”

“It's faith in something and enthusiasm for something that makes a life worth living.”

“Youth fades, love droops, the leaves of friendship fall; A mother's secret hope outlives them all. ”

“Man has his will, but woman has her way.”