Al-Agharr Abu Muslim narrated that he bears witness from Abu Sa’eed Al-Khudri and Abu Hurairah, that they bear witness that :
the Prophet (ﷺ) said: “Whoever says: ‘There is none worthy of worship except Allah, and Allah…
Narrated Ibn 'Abbas:
that Ubayy bin Ka'b narrated that the Prophet (ﷺ) said: "The boy that Al-Khidr killed was destined to be a disbeliever the day he was created.'"