All the efforts of the human mind cannot exhaust the essence of a single fly.

It seems that God does not exist; because if one of two contraries be infinite, the other would be altogether destroyed. But the word "God" means that He is infinite goodness. If, therefore, God existed, there would be no evil discoverable; but there is evil in the world. Therefore God does not exist.

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.

Since faith rests upon infallible truth, and since the contrary of a truth can never be demonstrated, it is clear that the arguments brought against faith cannot be demonstrations, but are difficulties that can be answered.

Man cannot live without joy; therefore when he is deprived of true spiritual joys it is necessary that he become addicted to carnal pleasures.

Far graver is it to corrupt the faith that is the life of the soul than to counterfeit the money that sustains temporal life.

The Eucharist is the Sacrament of Love; It signifies Love, It produces love. The Eucharist is the consummation of the whole spiritual life.