Ibn Abi Mulaykah said: When Sayyiduna Ikrimah bin Abi Jahl (may Allah be pleased with him) swore a solemn oath, he would say: "By the One who saved me on the day of Badr." And he would take the mushaf, place it on his face and say: "The speech of my Lord, the speech of my Lord."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 15088