Sahih Bukhari

Narrated Ubai bin Ka`b:Allah's Messenger (ﷺ) said, ""Both of them (Moses and Al-Khadir) proceeded on till they reached a wall which was about to fall."" Sa`d said [?? or Sa`id], ""(Al-Khadir pointed) with his hands (towards the wall) and then raised his hands and the wall became straightened up."" Ya`la said, ""I think Sa`id [?? or Sa`d] said, 'He (Khadir) passed his hand over it and it was straightened up."" (Moses said to him), ""if you had wanted, you could have taken wages for it."" Sa`id [?? or Sa`d] said, ""Wages with which to buy food