The greatness of man is great in that he knows himself to be wretched. A tree does not know itself to be wretched.
I have discovered that all human evil comes from this, man's being unable to sit still in a room.
In each action we must look beyond the action at our past, present, and future state, and at others whom it affects, and see the relations of all those things. And then we shall be very cautious.
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.