The law detects, grace alone conquers sin.
God is best known in not knowing him.
Idolatry is worshipping anything that ought to be used, or using anything that is meant to be worshipped.
Why is it that we remember with difficulty and without difficulty forget? Learn with difficulty and without difficulty remain ignorant?
It is better that the truth be known than that scandal be covered up.
It is not the being seen of men that is wrong, but doing these things for the purpose of being seen of men. The problem with the hypocrite is his motivation.