Three conditions are necessary for Penance: contrition, which is sorrow for sin, together with a purpose of amendment; confession of sins without any omission; and satisfaction by means of good works.

So, to detract from the perfection of creatures is to detract from the perfection of divine power.

To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.

We can't have full knowledge all at once. We must start by believing; then afterwards we may be led on to master the evidence for ourselves.

It [covetousness] is a sin against God, just as all mortal sins, in as much as man condemns things eternal for the sake of temporal things.

Justice is a certain rectitude of mind whereby a man does what he ought to do in the circumstances confronting him.

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.