Letter xxxv. From Pope Damasus.
Damasus addresses five questions to Jerome with a request for information concerning them. They are: 1. What is the meaning of the words "Whosoever slayeth Cain vengeance shall be taken on him sevenfold"? (Gen. iv. 5.) 2. If God has made all things good, how comes it that He gives charge to Noah concerning unclean animals, and says to Peter, "What God hath cleansed that call not thou common"? (Acts x. 15.) 3. How is Gen. xv. 16, "in the fourth generation they shall come hither again," to be reconciled …
St. Jerome—The Principal Works of St. Jerome

Epistle xxviii. To Augustine, Bishop of the Angli .
To Augustine, Bishop of the Angli [136] . Gregory to Augustine, &c. Glory to God in the highest, and on earth peace to men of good will (Luke ii. 14); because a grain of wheat, falling into the earth, has died, that it might not reign in heaven alone; even He by whose death we live, by whose weakness we are made strong, by whose suffering we are rescued from suffering, through whose love we seek in Britain for brethren whom we knew not, by whose gift we find those whom without knowing them we sought. …
Saint Gregory the Great—the Epistles of Saint Gregory the Great

Jesus Living at Nazareth and visiting Jerusalem in his Twelfth Year.
(Nazareth and Jerusalem, a.d. 7 or 8.) ^C Luke II. 40-52. ^c 40 And the child grew [This verse contains the history of thirty years. It describes the growth of our Lord as a natural, human growth (compare Luke i. 80); for, though Jesus was truly divine, he was also perfectly man. To try to distinguish between the divine and human in Jesus, is to waste time upon an impracticable mystery which is too subtle for our dull and finite minds], and waxed strong [His life expanded like other human lives. …
J. W. McGarvey—The Four-Fold Gospel