Sunan Abu Dawud
4658
Sahih+2

Abu Sa’id (al-Khudri) reported the Messenger of Allah (May peace be upon him) as saying :Do not revile my Companions; by him in whose hand my soul is, if one of you contributed the amount of gold equivalent to Uhud, it would not amount to as much as the mudd of one of them, or half of it

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid