Sahih Bukhari

Narrated Nafi`:Ibn `Umar. said, ""I have never missed the touching of these two stones of Ka`ba (the Black Stone and the Yemenite Corner) both in the presence and the absence of crowds, since I saw the Prophet (ﷺ) touching them."" I asked Nafi`: ""Did Ibn `Umar use to walk between the two Corners?"" Nafi` replied, ""He used to walk in order that it might be easy for him to touch it (the Corner Stone)