An optimist is a person who sees a green light everywhere, while a pessimist sees only the red stoplight. . . The truly wise person is colorblind.

God grant that not only the love of liberty but a thorough knowledge of the rights of man may pervade all the nations of the earth, so that a philosopher may set his foot anywhere on its surface and say: "This is my country."

Labor to keep alive in your breast that little spark of celestial fire, called conscience.

Those that know, do. Those that understand, teach.

As a man can drink water from any side of a full tank, so the skilled theologian can wrest from any scripture that which will serve his purpose.

The man who reads nothing at all is better educated than the man who reads nothing but newspapers.

The nicest thing about standards is that there are so many of them to choose from.

Security is mostly a superstition. It does not exist in nature.... Life is either a daring adventure or nothing.

No man is free who is not master of himself.

You are never given a wish without also being given the power to make it come true. You may have to work for it, however.