Lying is an indispensable part of making life tolerable.

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. . . . Any man who for one moment abandons or suspends the questioning spirit has for that moment betrayed humanity.

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.

For the most part our leaders are merely following out in front; they do but marshal us the way that we are going.

It (the dash ) is a comfortable punctuation mark since even the most rigorous critic can seldom claim that any particular example of it is a misuse. Its overuse is its greatest danger, and the writer who can't resist dashes may be suspected of uncoordinated thinking.

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