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.

An honorable man will not be bullied by a hypothesis.

Freedom of speech and freedom of action are meaningless without freedom to think. And there is no freedom of thought without doubt.

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.

Words are one of our chief means of adjusting to all the situations of life. The better control we have over words, the more successful our adjustment is likely to be.

There is wisdom in the selection of wisdom.