Danger

It is dangerous to be right in matters on which the established authorities are wrong.

Source: Voltaire, Le Siècle de Louis XIV (1752)
Taken From: International Man, The Worst Advice You'll Ever Get, 2011/12/13

Freedom and Laws

Man is free if he needs to obey no person but solely the laws

Voltaire (1879)

On Punishing Murderers

It is forbidden to kill; therefore all murderers are punished unless they kill in large numbers and to the sound of trumpets.

Voltaire (1771)