Литература Второго Храма к Берешит 16:4

וַיָּבֹ֥א אֶל־הָגָ֖ר וַתַּ֑הַר וַתֵּ֙רֶא֙ כִּ֣י הָרָ֔תָה וַתֵּקַ֥ל גְּבִרְתָּ֖הּ בְּעֵינֶֽיהָ׃

И вошел он в Агарь, и она зачала; и когда она увидела, что зачала, ее любовница презиралась в ее глазах.

The Midrash of Philo

Why do the people of Ceos, and of Rhodes, and the isles of the Gentiles, spring from Japhet? (Genesis 16:4-5).

The Midrash of Philo

What is the meaning of, "When she saw that she had conceived her mistress was despised before her?" (Genesis 16:4).

On Mating with the Preliminary Studies

[122] That is why the text continues with the words that follow, “He went in unto Hagar” (Gen. 16:4), for it was well that the learner should resort to knowledge as his teacher, to be instructed in the lessons suited to human nature. In the present case the pupil is represented as going to the teacher’s school, but often knowledge rids herself of grudging pride, runs out to meet the gifted disciples, and draws them into her company.