Ubaid bin 'Umayr bin Qatada عبيد بن عمير بن قتادة · The Book of Manners and Etiquette

Did you not hear the voice of 'Abdullah b. Qais (the Kunya of Abu Musa Ash'ari)? He was called back. and he (Hadrat 'Umar) said: What did prompt you to do it? Thereupon, he said: This is how we have been commanded to act. He (Hadrat 'Umar) said: Bring evidence (in support of) it, otherwise I shall deal (strictly) with you. So he (Abu Musa) set out and came to the meeting of the Ansar and asked them to bear…