He who does little, but in a state to which God calls him, does more than he who labors much, but in a state which he has thoughtlessly chosen: a cripple limping in the right way is better than a racer out of it.
Man's maker was made man that He, Ruler of the stars, might nurse at His mother's breast; that the Bread might hunger, the Fountain thirst, the Light sleep, the Way be tired on its journey; that Truth might be accused of false witnesses, the Teacher be beaten with whips, the Foundation be suspended on wood; that Strength might grow weak; that the Healer might be wounded; that Life might die.
The same divine authority that forbids the killing of a human being establishes certain exceptions, as when God authorizes killing by a general law or when He gives an explicit commission to an individual for a limited time.
What is held by the whole Church, and that not as instituted by Councils, but as a matter of invariable custom, is rightly held to have been handed down by authority.