The more I see of Mankind, the more I prefer my dog.

There are two kinds of people one can call reasonable: those who serve God with all their heart because they know him, and those who seek him with all their heart because they do not know him.

If it is an extraordinary blindness to live without investigating what we are, it is a terrible one to live an evil life, while believing in God

Earnestness is enthusiasm tempered by reason.

To go beyond the bounds of moderation is to outrage humanity.

All the unhappiness of men arises from one single fact, that they cannot stay quietly in their own chamber.

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