Midrash on Psalms 132:3: Bereshit Rabbah & Classical Sources

אִם־אָ֭בֹא בְּאֹ֣הֶל בֵּיתִ֑י אִם־אֶ֝עֱלֶ֗ה עַל־עֶ֥רֶשׂ יְצוּעָֽי׃

‘Surely I will not come into the tent of my house, Nor go up into the bed that is spread for me;