146
Musnad AhmedIt was narrated from Ibn ʻUrmar that
It was said to "Umar: Why don"t you appoint a successor? He said: If I do not do that, one who is better than me did not do it either, namely the Messenger of Allah (ﷺ); if I do that, one who is better than me did it too, namely Abu Bakr.
Reference: Musnad Ahmad 299
Arabic/English book : Book 2, Hadith 299
Arabic/English book : Book 2, Hadith 299