I do not believe there is anything useful which men can know with exactitude that they cannot know by arithmetic and algebra.

When I touch a human hand, I touch heaven.

Do not fear lest you should meditate too much upon Him and speak of Him in an unworthy way, providing you are led by faith. Do not fear lest you should entertain false opinions of Him so long as they are in conformity with the notion of the infinitely perfect Being.

All creatures are united to God alone in an immediate union. They depend essentially and directly upon Him. Being all alike equally impotent, they cannot be in reciprocal dependence upon one another.

I love good and pleasure, I hate evil and pain, I want to be happy and I am not mistaken in believing, that people, angels and even demons have those same inclinations.

I beg of you always to dwell upon the necessity of a thorough understanding of principles, in order to stop the vivacity of his mind, and please do not forget to meditate upon the subject of our discussion.

You find yourself in the world, without any power, immovable as a rock, stupid, so to speak, as a log of wood.