The Messenger of Allah ﷺ said, in the hadith about seeing the Lord on the Day of Resurrection, "Then it will be said to him, 'Now We will summon Our witness against you.' He will wonder to himself, 'Who could possibly testify against me?' His mouth will then be sealed, and it will be said to his thigh, his flesh, and his bones, 'Speak.' So his thigh, his flesh, and his bones will speak of what he did. That will be so that he is left with no excuse against himself. That is the hypocrite, and that is the one with whom Allah is angry."
قال رسول الله ﷺ- في حديث رؤية الرب يوم القيامة-: ثم يقال له: الآن نبعث شاهدنا عليك. ويتفكر في نفسه من ذا الذي يشهد علي؟ فيختم على فيه، ويقال لفخذه ولحمه وعظامه: انطقي، فتنطق فخذه ولحمه وعظامه بعمله، وذلك ليعذر من نفسه. وذلك المنافق، وذلك الذي يسخط الله عليه.
Muslim narrated it in the Book of Asceticism and Softening of Hearts (2968), from Muhammad bin Abu Umar, who said, Sufyan narrated to us, from Suhayl bin Abu Salih, from his father, from Abu Hurairah, who said, and then he mentioned it.