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.

Speech is highly elliptical. It would scarcely be endurable otherwise. Ellipsis is indispensable to the writer or speaker who wants to be brief and pithy, but it can easily cause confusion and obscurity and must be used with skill.

Authors are magpies, echoing each other's words and seizing avidly on anything that glitters.

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

That is the essence of a witch-hunt, that any questioning of the evidence or the procedures in itself constitutes proof of complicity.