The light of faith makes us see what we believe.
It is unlawful to add anything to the words of Holy Scripture regarding the sense.
Whenever God wakes in us, our thinking becomes clear – nothing is missing.
The custom of the Church has very great authority and ought to be jealously observed in all things.
The celestial bodies are the cause of all that takes place in the sublunar world.
The Angel’s bread is made the Bread of man today.
Characteristics which define beauty are wholeness, harmony and radiance.
Nothing which implies contradiction falls under the omnipotence of God.
I can write no more. All that I have written seems like straw.
If all the sins of the flesh are worthy of condemnation because by them man allows himself to be dominated by that which he has of the animal nature, much more deserving of condemnation are the sins against nature by which man degrades his own animal nature...
Practical sciences proceed by building up; theoretical science by resolving into components.
One aspect of neighbourly love is that we must not merely will our neighbours good, but actually work to bring it about.
True peace consists in not separating ourselves from the will of God.
There can be no joy in living without joy in work.
Most men seem to live according to sense rather than reason.
The theologian considers sin mainly as an offence against God; the moral philosopher as contrary to reasonableness.
Justice is a certain rectitude of mind whereby a man does what he ought to do in the circumstances confronting him.
We are like children, who stand in need of masters to enlighten us and direct us; God has provided for this, by appointing his angels to be our teachers and guides.
The human mind may perceive truth only through thinking, as is clear from Augustine.
God is never angry for His sake, only for ours.