Sahih Bukhari
Pilgrimmage (Hajj)
Volume: 002 / Book Number: 026 / Hadith Number: 731
Narrated Ibn Abbas. :
I proceeded along with the Prophet on the day of 'Arafat (9th Dhul-Hijja). The Prophet heard a great hue and cry and the beating of camels behind him. So he beckoned to the people with his lash, "O people! Be quiet. Hastening is not a sign of righteousness."