Narrated Anas bin Malik:
that the Messenger of Allah (ﷺ) said: "I am the first of the people to appear upon their being resurrected, and I am their spokesman whenever they gather, and I am the one that gives them glad tidings whenever they give up hope. And the Banner of Praise will be in my hand that day, and I am the most noble of the children of Adam with my Lord, and I am not boasting."
English reference: Vol. 1, Book 46, Hadith 3610
Arabic reference: Book 49, Hadith 3969