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

There is no necessary connection between the desire to lead and the ability to lead, and even less the ability to lead somewhere that will be to the advantage of the led.

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

There is wisdom in the selection of wisdom.

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

Stoicism is the wisdom of madness and cynicism the madness of wisdom.

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.