קבלה אויף משלי 30:9

It likewise is written,⁴⁷²Deuteronomy 32:15 “Yeshurun became fat and kicked. You became fat, you became thick, you became corpulent. He deserted God, his Maker and scorned the Rock of his salvation.” That is, this negative trait brings a person to deny HaShem-יהו״ה, blessed is He, as the verse states,⁴⁷³Proverbs 30:9 “Lest I become sated and deny, saying, ‘Who is HaShem-יהו״ה?’”