For if God is man's chief good, which you cannot deny, it clearly follows, since to seek the chief good is to live well, that to live well is nothing else but to love God with all the heart, with all the soul, with all the mind.

In what is necessary, unity; in what is not necessary, liberty and in all things charity.

Why is it that we remember with difficulty and without difficulty forget? Learn with difficulty and without difficulty remain ignorant?

It is the function of perfection to make one know one's imperfection.

It is not in virtue of its liberty that the human will attains to grace, it is much rather by grace that it attains to liberty.

Whoever seems to himself to have understood the Scriptures in such a way that he does not build up that double love of God and neighbor has not yet understood.

Sin is Energy in the wrong channel.