6:149 qul falil-laahil Huj-jatul baaligah* falaw shaa-a la hadaakum ajma’Iyn

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Ahmed Raza Khan: Mohammed Aqib Qadri:
Say, “Then only Allah’s argument is the complete one; so had He willed, He would have guided you all.”

Yusuf Ali:
Say: "With Allah is the argument that reaches home: if it had been His will, He could indeed have guided you all."

Pickthal:
Say - For Allah's is the final argument - Had He willed He could indeed have guided all of you.