37:103 falam-maa aslamaa wa tal-lahuu lil jabiyn

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Ahmed Raza Khan: Mohammed Aqib Qadri:
Then (remember) when they both submitted to Allah's command, and Ibrahim lay his son facing downwards. (The knife did not hurt Ismail)

Yusuf Ali:
So when they had both submitted their wills (to Allah), and he had laid him prostrate on his forehead (for sacrifice),

Pickthal:
Then, when they had both surrendered (to Allah), and he had flung him down upon his face,