When large numbers of people share their joy in common, the happiness of each is greater because each adds fuel to the other's flame.

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.

If you believe what you like in the gospels, and reject what you don't like, it is not the gospel you believe, but yourself.

Idolatry is worshipping anything that ought to be used, or using anything that is meant to be worshipped.

Do not believe yourself healthy. Immortality is health; this life is a long sickness.

It is said that there is no salvation outside the Church. Who denies this? And therefore whatever things of the Church are had outside the Church do not avail unto salvation.

There is a God-shaped vacuum in every man that only Christ can fill.