22:15 man kaana yaZun-nu al lay yanSurahul-laahu fid dunyaa wal aakhirati falyamdud bi sababin ilas samaai thum-malyaqTa'Å falyanZur hal yudh'hiban-na kayduhuu maa yagiyZ

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Ahmed Raza Khan: Mohammed Aqib Qadri:
Therefore whoever assumes that Allah will not assist His Prophet (Mohammed - peace and blessings be upon him) in this world and the Hereafter, should extend a rope upwards and hang himself, and then see whether his scheme has taken away what he envies.

Yusuf Ali:
If any think that Allah will not help him (His Messenger) in this world and the Hereafter, let him stretch out a rope to the ceiling and cut (himself) off: then let him see whether his plan will remove that which enrages (him)!

Pickthal:
Whoso is wont to think (through envy) that Allah will not give him (Muhammad) victory in the world and the Hereafter (and is enraged at the thought of his victory), let him stretch a rope up to the roof (of his dwelling), and let him hang himself. Then let him see whether his strategy dispelleth that whereat he rageth!.