We may be through with the past, but the past is not through with us.

We see what we want to see, and observation conforms to hypothesis.

Many studies have established the fact that there is a high correlation between vocabulary and intelligence and that the ability to increase one's vocabulary throughout life is a sure reflection of intellectual progress.

The mere abhorrence of vice is not a virtue at all.

An honorable man will not be bullied by a hypothesis.

The civilized man has a moral obligation to be skeptical, to demand the credentials of all statements that claim to be facts.

Wisdom is meaningless until your own experience has given it meaning, and there is wisdom in the selection of wisdom.