36:66 wa law nashaau laTamasnaa 'Alaa a'Åyunihim fastabaquS SiraaTa fa an-naa yubSiruun

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Ahmed Raza Khan: Mohammed Aqib Qadri:
And had We willed, We could have quenched their eyes so they would rush towards the path, unable to see a thing.

Yusuf Ali:
If it had been our Will, We could surely have blotted out their eyes; then should they have run about groping for the Path, but how could they have seen?

Pickthal:
And had We willed, We verily could have quenched their eyesight so that they should struggle for the way. Then how could they have seen?