כִּי֩ אֶת־הַבְּכֹ֨ר בֶּן־הַשְּׂנוּאָ֜ה יַכִּ֗יר לָ֤תֶת לוֹ֙ פִּ֣י שְׁנַ֔יִם בְּכֹ֥ל אֲשֶׁר־יִמָּצֵ֖א ל֑וֹ כִּי־הוּא֙ רֵאשִׁ֣ית אֹנ֔וֹ ל֖וֹ מִשְׁפַּ֥ט הַבְּכֹרָֽה׃ (ס)
Kundi kikilalanin niya bilang panganay ang anak ng kinapopootan, sa pamamagitan ng pagbibigay sa kanya ng dalawang bahagi sa lahat ng nasa kanyang pag-aari, sapagkat siya ang unang bunga ng kanyang lakas; sa kanya ang karapatan ng pagkapanganay.
On the Posterity of Cain and his Exile
[63] Accordingly he calls Israel, though younger in age, his “firstborn” son in dignity (Exod. 4:22), making it evident that he who sees God, the original Cause of being, is the recipient of honour, as earliest offspring of the Uncreated One, conceived by Virtue the object of the hatred of mortals, and as he to whom there is a law that a double portion, the right of the first-born, should be given as being the eldest (Deut. 21:17).