Sunan Abi Dawud 680
سنن أبي داود#680SahihAbu Sa’Id al-Khudri said; The Messenger of Allah (ﷺ) saw a tendency among his companions to go to the back. He said to them; come forward and follow my lead, and let those who come after you follow your lead people will continue to keep to the back till Allah would put them at the back
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Muslim (438)
In-book reference: 2:290