Without doubt one is allowed to resist against the unjust aggressor to one's life, one's goods or one's physical integrity; sometimes, even 'til the aggressor's death... In fact, this act is aimed at preserving one's life or one's goods and to make the aggressor powerless. Thus, it is a good act, which is the right of the victim.

The celebration of Holy Mass is as valuable as the death of Jesus on the cross.

If... the motion of the earth were circular, it would be violent and contrary to nature, and could not be eternal, since ... nothing violent is eternal .... It follows, therefore, that the earth is not moved with a circular motion.

There is within every soul a thirst for happiness and meaning.

If a man deliberately abstains from wine to such an extent that he does serious harm to his nature, he will not be free from blame.

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.

A man's heart is right when he wills what God wills.