"The will, as far as it is considered formally in itself, is one of the chief perfections of man."

"The existence of God is as evident as that of a triangle."

"The light of natural reason is sufficient to distinguish the true from the false."

"All that is needed to arrive at the truth is good sense, which is naturally equal in all men."

"It is not enough to have a good mind; the main thing is to use it well."