I know that I am intelligent, because I know that I know nothing.

To love someone deeply gives you strength. Being loved by someone deeply gives you courage.

Those who educate children well are more to be honored than they who produce them; for these only gave them life, those the art of living well.

Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That's not the place to become discouraged.

Man, alone, has the power to transform his thoughts into physical reality; man, alone, can dream and make his dreams come true.