11:118 wa law shaa-a rab-buka la ja'Alan naasa um-mataw waaHidataw wa laa yazaaluuna mukhtalifiyn

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Ahmed Raza Khan: Mohammed Aqib Qadri:
And had your Lord willed, He would have made mankind one nation - and they will always keep differing.

Yusuf Ali:
If thy Lord had so willed, He could have made mankind one people: but they will not cease to dispute.

Pickthal:
And if thy Lord had willed, He verily would have made mankind one nation, yet they cease not differing,