Those who begin coercive elimination of dissent soon find themselves exterminating dissenters. Compulsory unification of opinion achieves only the unanimity of the graveyard.

...when two opposite points of view are expressed with equal intensity, the truth does not necessarily lie exactly halfway between them. It is possible for one side to be simply wrong.

Certitude belongs exclusively to those who only own one encyclopedia.

One who deceives will always find those who allow themselves to be deceived.

Only those who dare to fail greatly can ever achieve greatly.

None are more unjust in their judgments of others than those who have a high opinion of themselves.