this is the book of allah there is no doubt about it. it is guidance to godfearing people who believe in the unseen establish the salats and expend out of what we have bestowed on them who believe in the book we have sent down to you and in the books sent down before you and firmly believe in the hereafter.
ذلك الكتاب لا ريب فيه هدى للمتقين الذين يؤمنون بالغيب ويقيمون الصلاة ومما رزقناهم ينفقون والذين يؤمنون بما أنزل إليك وما أنزل من قبلك وبالآخرة هم يوقنون