Surah Muhammad, Verse 21
Translation — Sahih International
Obedience and good words. And when the matter [of fighting] was determined, if they had been true to Allah, it would have been better for them.
Source
Kur'an-ı Kerim, Muhammed Suresi 47:21
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/47-suresi-21-ayet