It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Prophet (peace and blessings of Allah be upon him) said: I am also a human being. O Allah, if any harsh words come from my mouth for any Muslim, then make it a means of purification and reward for him.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 15294
Hadith Gradingحکم دارالسلام:إسناده صحيح، م: 2602، وانظر ما بعدہ