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

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

Belief is a wise wager. Granted that faith cannot be proved, what harm will come to you if you gamble on its truth and it proves false? If you gain, you gain all; if you lose, you lose nothing. Wager, then, without hesitation, that He exists.

It is not certain that everything is uncertain.

This is what I see, and what troubles me. I look on all sides, and everywhere I see nothing but obscurity. Nature offers me nothing that is not a matter of doubt and disquiet.

Our true dignity consists — in thought. Thence we must derive our elevation, not from space or duration. Let us endeavor then to think well; this is the principle of morals.

No one is ignorant that there are two avenues by which opinions are received into the soul, which are its two principal powers: the understanding and the will.