Those who cannot remember the past are condemned to repeat it.

The whole machinery of our intelligence, our general ideas and laws, fixed and external objects, principles, persons, and gods, are so many symbolic, algebraic expressions. They stand for experience; experience which we are incapable of retaining and surveying in its multitudinous immediacy. We should flounder hopelessly, like the animals, did we not keep ourselves afloat and direct our course by these intellectual devices. Theory helps us to bear our ignorance of fact.

The unforgivable sin is the refusal to pardon.

History is a pack of lies about events that never happened told by people who weren't there.

Man is a fighting animal; his thoughts are his banners, and it is a failure of nerve in him if they are only thoughts.

America is the greatest of opportunities and the worst of influences.

Injustice in this world is not something comparative; the wrong is deep, clear, and absolute in each private fate.