Gênesis 24
Augustine of Hippo · Comentário Patrístico (catena)
Gênesis 24:2
For an important thing was being done when a spouse was being sought for the seed of Abraham. But that the servant might learn this which Abraham knew, that he did not desire grandchildren carnally and that he did not have any carnal conception about his progeny, he said to his slave whom he was sending, "Put your hand under my thigh and swear by the God of heaven." What does the God of heaven want to signify in respect to the thigh of Abraham? Already you understand the hidden meaning: by the thigh, his progeny. Therefore what was that swearing but a signifying that the God of heaven would come in the flesh from the progeny of Abraham? — TRACTATE ON THE GOSPEL OF JOHN 43.6.3
Gênesis 24:2
For, putting the hand under the thigh of a man and swearing by the God of heaven, what else did that signify except that in that flesh, which took its origin from that thigh, the God of heaven would come?Marriage therefore is a good in which the married are better in proportion as they fear God more chastely and more faithfully, especially if they also nourish spiritually the children whom they desire carnally. — On the Good of Marriage 19
Gênesis 24:2
This surely was prophetic of the fact that the Lord God of heaven and the Lord of the earth would one day come in flesh fashioned from that thigh. — City of God 16.33