Nothing created has ever been able to fill the heart of man. God alone can fill it infinitely.

Love follows knowledge.

God should not be called an individual substance, since the principle of individuation is matter.

A man has free choice to the extent that he is rational.

Mercy without justice is the mother of dissolution; justice without mercy is cruelty.

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.

To bear with patience wrongs done to oneself is a mark of perfection, but to bear with patience wrongs done to someone else is a mark of imperfection and even of actual sin.