Vanity is so secure in the heart of man that everyone wants to be admired: even I who write this, and you who read this.

The exterior must be joined to the interior to obtain anything from God, that is to say, we must kneel, pray with the lips, and soon, in order that proud man, who would not submit himself to God, may be now subject to the creature.

Who can doubt that we exist only to love? Disguise it, in fact, as we will, we love without intermission... We live not a moment exempt from its influence.

Kind words produce their own image in men's souls; and a beautiful image it is. They soothe and quiet and comfort the hearer. They shame him out of his sour, morose, unkind feelings. We have not yet begun to use kind words in such abundance as they ought to be used.

Man governs himself more by impulse than reason

Muhammad established a religion by putting his enemies to death; Jesus Christ by commanding his followers to lay down their lives.

I have spent much time in the study of the abstract sciences; but the paucity of persons with whom you can communicate on such subjects disgusted me with them. When I began to study man, I saw that these abstract sciences are not suited to him, and that in diving into them, I wandered farther from my real object than those who knew them not, and I forgave them for not having attended to these things. I expected then, however, that I should find some companions in the study of man, since it was so specifically a duty. I was in error. There are fewer students of man than of geometry.