ذلك الكتاب لا ريب فيه هدى للمتقين
Thalika alkitabu larayba feehi hudan lilmuttaqeen
Sahih International
This is the Book about which there is no doubt, a guidance for those conscious of Allah -
Muhsin Khan
This is the Book (the Quran), whereof there is no doubt, a guidance to those who are Al-Muttaqun [the pious and righteous persons who fear Allah much (abstain from all kinds of sins and evil deeds which He has forbidden) and love Allah much (perform all kinds of good deeds which He has ordained)].
Pickthall
This is the Scripture whereof there is no doubt, a guidance unto those who ward off (evil).
Yusuf Ali
This is the Book; in it is guidance sure, without doubt, to those who fear Allah;
Shakir
This Book, there is no doubt in it, is a guide to those who guard (against evil).
Dr. Ghali
That is the Book, there is no suspicion about it, a guidance to the pious.