One of the most important lessons taught us by the All-Wise Qur’an, is, then, belief in the hereafter. This belief is so firm and contains within itself so powerful a hope and a consolation that if a person be assailed by old age hundred thousandfold, the consolation derived from this belief will be fully enough. Saying, "Praise be to God for the perfection of belief," we old people should rejoice in old age.