No one can have God as his father who does not have the Church as his mother.

What the universal Church holds, not as instituted [invented] by councils but as something always held, is most correctly believed to have been handed down by apostolic authority. Since others respond for children, so that the celebration of the sacrament may be complete for them, it is certainly availing to them for their consecration, because they themselves are not able to respond.

Consequently, heretics and schismatics, separated from the unity of this Body, are able to receive the same Sacrament, but with no benefit to themselves; indeed, more to their own harm, in that they are judged the more severely rather than being liberated.

The playthings of our elders are called business.

Samson crushed himself and his enemies to death beneath the ruins of a building. He can only be excused on the grounds that the Spirit of the Lord, who wrought miracles through him, had bidden him to do so. But, apart from such men excepted by the command of a just law in general or of God, the very Source of justice, in a special case, any one who kills a human being, himself or another, is guilty of murder.

Nothing is so much to be shunned as sex relations.

Free curiosity has greater power to stimulate learning than rigorous coercion. Nevertheless, the free ranging flux of curiosity is channeled by discipline under Your Law.