[Remember, O believers], when Allah promised you one of the two groups - that it would be yours - and you wished that the unarmed one would be yours. But Allah intended to establish the truth by His words and to eliminate the disbelievers
English Transliteration
Waith yaAAidukumu Allahu ihda alttaifatayni annaha lakum watawaddoona anna ghayra thati alshshawkati takoonu lakum wayureedu Allahu an yuhiqqa alhaqqa bikalimatihi wayaqtaAAa dabira alkafireena
Tafsir of Verse 7
And when God promised you one of the two parties should be yours, and you were wishing that the one not accoutred should be yours; but God was desiring to verify the truth by His words, and to cut off the unbelievers to the last remnant,
Behold! Allah promised you one of the two (enemy) parties, that it should be yours: Ye wished that the one unarmed should be yours, but Allah willed to justify the Truth according to His words and to cut off the roots of the Unbelievers;-