Mishkat al-Masabih #2477

Ibn ‘Umar said, “We did not give up touching these two corners, the Yamani and the stone, whether it was difficult or easy, since I saw God’s messenger touch them." In a version by both of them Nafi’ said he saw Ibn ‘Umar touching the stone with his hand, after which he kissed his hand. He said, “I have not given it up since I saw God's messenger doing it." Bukhari and Muslim.