The principal act of courage is to endure and withstand dangers doggedly rather than to attack them.

God should not be called an individual substance, since the principal of individuation is matter.

Clear thinking requires courage rather than intelligence.

Moral science is better occupied when treating of friendship than of justice.

Better to illuminate than merely to shine, to deliver to others contemplated truths than merely to contemplate.

There is nothing on this earth more to be prized than true friendship.