-I have made this a rather long letter because I haven’t had time to make it shorter.
-The power of man’s virtue should not be measured by his special efforts, but by his ordinary doings.
-Earthly things must be known to be loved; divine things must be loved to be known.
-I have discovered that all of man’s unhappiness derives from only one source, not being able to sit quietly in a room.
-Men never do evil so completely and cheerfully as when they do it from a religious conviction.
-Since we cannot know all that there is to be known about anything, we ought to know a little about everything.
-Man is equally incapable of seeing the nothingness from which he emerges and the infinity in which he is engulfed.