3:123 wa laqad naSarakumul-laahu bi badriw wa antum adhil-lah* fat-taqul-laaha la'Al-lakum tashkuruun

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Ahmed Raza Khan: Mohammed Aqib Qadri:
Allah indeed aided you at Badr when you had no means; so fear Allah - so that you may be thankful.

Yusuf Ali:
Allah had helped you at Badr, when ye were a contemptible little force; then fear Allah; thus May ye show your gratitude.

Pickthal:
Allah had already given you the victory at Badr, when ye were contemptible. So observe your duty to Allah in order that ye may be thankful.