If forgers and malefactors are put to death by the secular power, there is much more reason for excommunicating and even putting to death one convicted of heresy.

Art is right reason in the doing of work.

Perfection of moral virtue does not wholly take away the passions, but regulates them.

There is nothing on this earth more to be prized than true friendship.

He that obstinately denieth the truth before men upon earth, wilfully refuseth his soul's health in heaven.

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

We must love them both, those whose opinions we share and those whose opinions we reject, for both have labored in the search for truth, and both have helped us in finding it.