The seeds of great discoveries are constantly floating around, but they only take root in minds well prepared to receive them.

The burning of an author's books, imprisonment for opinion's sake, has always been the tribute that an ignorant age pays to the genius of its time.

Chaos often breeds life when order breeds habit.

Intelligence is not all that important in the exercise of power, and is often, in point of fact, useless.

Veracity is the heart of morality.

In matters of intellect, follow your reason as far as it will take you, without regard for any other consideration.