3392 The two classes of people are: (1) those who have faith in the goodly promise of Allah to the righteous, and who are doing everything in life to reach the fulfilment of that promise, i.e., those who believe and work righteousness, and (2) those who are ungrateful for such good things in this life as Allah has bestowed on them, by worshipping wealth or power or other symbols or idols of their fancy, i.e., those who reject Faith and lead evil lives, for which they will have to answer in the Hereafter. The two classes are poles asunder, and their future is described below.