Yusuf Ali
Allah made it but a message of hope for you, and an assurance to your hearts: (in any case) there is no help except from Allah. The Exalted, the Wise:

Sahih International
And Allah made it not except as [a sign of] good tidings for you and to reassure your hearts thereby. And victory is not except from Allah, the Exalted in Might, the Wise -

Shakir
And Allah did not make it but as good news for you, and that your hearts might be at ease thereby, and victory is only from Allah, the Mighty, the Wise.

Pickthall
Allah ordained this only as a message of good cheer for you, and that thereby your hearts might be at rest - Victory cometh only from Allah, the Mighty, the Wise -

محمد جالندھری
اور اس مدد کو خدا نے تمھارے لیے (ذریعہٴ) بشارت بنایا یعنی اس لیے کہ تمہارے دلوں کو اس سے تسلی حاصل ہو ورنہ مدد تو خدا ہی کی ہے جو غالب (اور) حکمت والا ہے