Hadithcore
Musnad Ahmad 1692
da’if· Darussalam

It was narrated from "Abdullah bin Suraqah ah , from Abu "Ubaidah bin al-Jarrah, from the Prophet (ﷺ) that

he mentioned the Dajjal and described him in a way I cannot remember. They said: O Messenger of Allah, how will our hearts be on that day? Will they be like they are today? He said: Or better.

References1 variant
Arabic/English book
Book 11, Hadith 1692