Eternity is called whole, not because it has parts, but because it is lacking in nothing.

A scrap of knowledge about sublime things is worth more than any amount about trivialities.

Whatever is received is received according to the nature of the recipient.

There is no leisure about politics.

Peace is the work of justice indirectly, in so far as justice removes the obstacles to peace; but it is the work of charity (love) directly, since charity, according to its very notion, causes peace.

Because we cannot know what God is, but only what He is not, we cannot consider how He is but only how He is not.

One aspect of neighbourly love is that we must not merely will our neighbours good, but actually work to bring it about.