Clearness ornaments profound thoughts.

We are so presumptuous that we think we can separate our personal interest from that of humanity, and slander mankind without compromising ourselves.

Most people grow old within a small circle of ideas, which they have not discovered for themselves. There are perhaps less wrong-minded people than thoughtless.

All erroneous ideas would perish of their own accord if given clear expression.

Despair exaggerates not only our misery but also our weakness.

Emotions have taught mankind to reason.

The maxims of men reveal their characters.