Sahih Muslim Book 31, Hadith Number 5942.
Chapter : The merits of Zubair and Talha (Allah be pleased with both of them).
Abu Huraira reported: Allah’s Messenger (may peace be upon him) was upon the mountain of Hira,’ and there were along with him Abu Bakr, Umar, Uthman. ‘Ali, Talha, ‘Zubair, that the mountain stirred; thereupon Allah’s Messenger (may peace be upon him) said: Be calm, there is none upon you but a Prophet, a Fiddle (the testifier of truth) and a Martyr.