Musnad Ahmad 32:473

'Affan narrated to us, he said: Sulayman ibn al-Mughirah narrated to us, from Thabit, who said: I said to Anas: "Narrate to us something of these wonders that you do not narrate from anyone else." He said: The Messenger of Allah (peace and blessings of Allah be upon him) performed the Dhuhr prayer, and he mentioned its meaning.