Never build your emotional life on the weaknesses of others.

The dreamer can know no truth, not even about his dream, except by awaking out of it.

The unforgivable sin is the refusal to pardon.

Progress, far from consisting in change, depends on retentiveness. Those who cannot remember the past are condemned to repeat it.

We should have to abandon our vested illusions, our irrational religions and patriotisms.

A great man need not be virtuous, nor his opinions right, but he must have a firm mind, a distinctive luminous character.

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