Yusuf Ali
So lose not heart, nor fall into despair: For ye must gain mastery if ye are true in Faith.
Sahih International
So do not weaken and do not grieve, and you will be superior if you are [true] believers.
Shakir
And be not infirm, and be not grieving, and you shall have the upper hand if you are believers.
Pickthall
Faint not nor grieve, for ye will overcome them if ye are (indeed) believers.
محمد جالندھری
اور (دیکھو) بے دل نہ ہونا اور نہ کسی طرح کا غم کرنا اگر تم مومن (صادق) ہو تو تم ہی غالب رہو گے