The truth of our faith becomes a matter of ridicule among the infidels if any Catholic, not gifted with the necessary scientific learning, presents as dogma what scientific scrutiny shows to be false.

Hold firmly that our faith is identical with that of the ancients. Deny this, and you dissolve the unity of the Church.

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

Friendship is the source of the greatest pleasures, and without friends even the most agreeable pursuits become tedious.

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