Genesis 16:4
And he went in unto Hagar, and she conceived: and when she saw that she had conceived, her mistress was despised in her eyes.
Cross-reference
In Genesis 16:8, the angel asks Hagar why she has fled — revealing her contempt drove her from Sarai into the wilderness.
In Proverbs 30:23, a maidservant displacing her mistress is listed among unbearable things — this is precisely what Hagar's contempt toward Sarai illustrates.
In Galatians 4:24, Hagar represents the Sinai covenant — this is the broader allegorical significance of the Hagar narrative, including her conceiving.
In 1 Samuel 1:6-8, Hannah is provoked by her rival wife Peninnah, showing a similar dynamic of domestic strife from polygamy.
In 1 Corinthians 13:5, love is not arrogant or resentful — Hagar's contempt toward Sarai illustrates the opposite, pride overtaking humility.
In 1 Timothy 6:2, servants with believing masters should serve better, not despise them — the opposite of Hagar's contempt after gaining status.