I heard the Prophet ﷺ say, "Whoever claims descent from someone other than his father, knowing that the man is not his father, Paradise is forbidden to him."I mentioned this to Abu Bakra, and he said, "I heard it too. My own ears heard it and my heart retained it from the Messenger of Allah ﷺ."
فذكرته لأبي بكرة فقال وأنا سمعته أذناي ووعاه قلبي من رسول الله ﷺ