Since we cannot know all that there is to be known about anything, we ought to know a little about everything.

Earnestness is enthusiasm tempered by reason.

It is incomprehensible that God should exist, and it is incomprehensible that he should not exist.

The strength of a man's virtue should not be measured by his special exertions, but by his habitual acts.

There are two equally dangerous extremes-to shut reason out, and to let nothing else in.

Undoubtedly equality of goods is just; but, being unable to cause might to obey justice, men has made it just to obey might. Unable to strengthen justice, they have justified might--so that the just and the strong should unite, and there should be peace, which is the sovereign good.

It is not possible to have reasonable grounds for not believing in miracles.