What can be more excellent than prayer; what is more profitable to our life; what sweeter to our souls; what more sublime, in the course of our whole life, than the practice of prayer!

The true religion has always been one from the beginning, and will always be the same.

Human law cannot punish or forbid all evil, since while doing away with evils it would do away with many good things, which would hinder the advance of the common good.

By the fall a poison was handed to mankind through a woman [Eve], by the Redemption man was given salvation also through a woman [Mary].

Love is the beauty of the soul.

Let those who think I have said too little and those who think I have said too much, forgive me; and let those who think I have said just enough thank God with me.

Everyone who observes himself doubting observes a truth, and about that which he observes he is certain; therefore he is certain about a truth. Everyone therefore who doubts whether truth exists has in himself a truth on which not to doubt.... Hence one who can doubt at all ought not to doubt the existence of truth.