We have remained mighty ever since Umar embraced Islam.
ما زلنا أعزة منذ أسلم عمر.
Bukhari narrated it in the Merits of the Companions (3684), from Muhammad bin Muthanna, who said, Yahya narrated to us, from Ismail, who said, Qays narrated to us, he said, Abdullah said, then he mentioned it.