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

We are rational creatures: Our virtue and perfection is to love reason, or rather to love order.

When I touch a human hand, I touch heaven.

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.

God transforms, so to speak, this air into words, into various sounds. He makes you understand these various sounds through the modifications by which you are affected.

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

As our bodies live upon the earth and find sustenance in the fruits which it produces, so our minds feed on the same truths as the intelligible and immutable substance of the divine Word contains.