To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.
To live well is to work well, to show a good activity.
To convert somebody, go and take them by the hand and guide them.
The truth of our faith becomes a matter of ridicule among the infidels if any Catholic, not gifted with the necessary scientific learning, presents as dogma what scientific scrutiny shows to be false.
The test of the artist does not lie in the will with which he goes to work, but in the excellence of the work he produces.
Peace is the work of justice indirectly, in so far as justice removes the obstacles to peace; but it is the work of charity (love) directly, since charity, according to its very notion, causes peace.
Justice is a certain rectitude of mind whereby a man does what he ought to do in the circumstance confronting him.
In order for a war to be just, three things are necessary. First, the authority of the sovereign. Secondly, a just cause. Thirdly, a rightful intention.
Beware the man of one book.
The things that we love tell us what we are.