‏الحج : Hadeeth No:2986 Ubaidullah reported this hadith with the same chain of transmitters and (it is said) that it was on the fourth turn that he (the Prophet) said: (May Allaah have mercy upon) those who got their hair clipped."...

‏البر والصلة والآداب‏ : Hadeeth No:6232 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Verily, Allaah, the Exalted and Glorious, would say on the Day of Resurrection: O son of Adam, I was sick but you did not visit Me. He would say: O my Lord; how could I visit Thee whereas Thou art the Lord of the world...