God Almighty has made clear the manifestations of sincere faith that longs the heart, so He, the Most High, said: (Indeed, the believers who, when God remembers their hearts and glorifies their hearts, and if their revelations are recited on them, their faith increases upon them, then their faith increases upon them.) The Almighty -: (Those who perform the prayer and spend from what we have provided us with), and in order to confirm the sincerity of the faith of the one in whom these qualities are found; God Almighty described him as the true believer, for he, the Almighty, said: (Those are the true believers, for them have degrees with respect to their Lord, forgiveness and generous provision). In that, because it is the most important act of worship and obedience that indicates goodness and guidance to its owner, and deviates from it through delusion, loss, and falling into sins and evils, because God Almighty says: (And establish prayer, for prayer is forbidden from unhappiness).