Ezekiel 16:56 Midrash

וְל֤וֹא הָֽיְתָה֙ סְדֹ֣ם אֲחוֹתֵ֔ךְ לִשְׁמוּעָ֖ה בְּפִ֑יךְ בְּי֖וֹם גְּאוֹנָֽיִךְ׃

For thy sister Sodom was not mentioned by thy mouth in the day of thy pride;