21.الْأَنْبِيَآء

اِنَّ فِىۡ هٰذَا لَبَلٰغًا لّـِقَوۡمٍ عٰبِدِيۡنَؕ‏

Surely there is for the devoted worshippers a guarantee and sufficient provision in this (Qur’an, of achieving the objective).