וּֽלְיִשְׁמָעֵ֘אל שְׁמַעְתִּיךָ֒ הִנֵּ֣ה ׀ בֵּרַ֣כְתִּי אֹת֗וֹ וְהִפְרֵיתִ֥י אֹת֛וֹ וְהִרְבֵּיתִ֥י אֹת֖וֹ בִּמְאֹ֣ד מְאֹ֑ד שְׁנֵים־עָשָׂ֤ר נְשִׂיאִם֙ יוֹלִ֔יד וּנְתַתִּ֖יו לְג֥וֹי גָּדֽוֹל׃
Y en cuanto á Ismael, también te he oído: he aquí que le bendeciré, y le haré fructificar y multiplicar mucho en gran manera: doce príncipes engendrará, y ponerlo he por gran gente.
On the Change of Names
[263] Therefore he says: “I have blessed him, I will increase and multiply him: he shall beget twelve nations (that is, the whole round and train of the early branches of the professional schools), but my covenant will I establish with Isaac” (Gen. 17:20 f.). Thus both forms of virtue, one where the teacher is another, one where teacher and learner are the same, will be open to human kind. And where man is weak he will claim the former, where he is strong the latter which comes ready to his hands.