All human wisdom works and has worries and grief as reward.

When I rest my feet my mind also ceases to function.

Poetry is the mother-tongue of the human race.

Hence it happens that one takes words for concepts, and concepts for the things themselves

Our reason arises, at the very least, from this twofold lesson of sensuous revelations and human testimonies.

Lies, fables and romances must needs be probable, but not the truth and foundation of our faith.

Self knowledge begins with the neighbor, the mirror, and just the same with true self-love; that goes from the mirror to the matter.