Gênesis 21
Ambrose of Milan · Comentário Patrístico (catena)
Gênesis 21:6
In our father Isaac or the origin is sufficiently expressed, either by grace or by glory: to whom all glory redounds, that he was born to Abraham, a reward for such a worthy and admirable man. Nor is it surprising, since he preceded in the figure of the Lord's generation and passion. For even a barren old woman gave birth to him according to God's promise, so that we may believe that God is able to make a virgin conceive and that the only begotten one offered as a sacrifice would not perish for the father and would fulfill the sacrifice. Therefore, by its very name, it signifies both form and grace. For Isaac, in Latin, means laughter, and laughter is a notable sign of joy. And who is ignorant that he is the joy of all, who, with dreadful death or fear suppressed or sorrow removed, becomes the remission of sins for all? Therefore, he was named, and he was designated: he was expressed, and he was announced. — On Isaac and the Soul