He reported God's messenger as saying, “The black stone descended from paradise whiter than milk, but the sins of the descendants of Adam made it black."
Ahmad and Tirmidhi transmitted it, the latter saying that this is a hasan sahih tradition.
Ibn ‘Abbas reported the Prophet as saying, “The circumambulation of the House is like prayer, except that you speak while performing it; but he who speaks must speak only what is good."
Tirmidhi, Nasa’i and Darimi transmitted it, Tirmidhi mentioning a number who traced it no farther back than Ibn ‘Abbas.
He reported God’s messenger as saying concerning the stone, “I swear by God that God will certainly raise it up on the day of resurrection with eyes with which it will see and a tongue with which it will speak, and it will give testimony about those who touched it in a proper manner."
Abu Huraira said that God's messenger came and entered Mecca, and after he had gone forward to the stone and touched it, he went round the House. He then went to as-Safa and mounted it so that he could look at the House, then he raised his hands, began to make mention of God as much as he wished and make supplication.