Those who perform the Salah and give the Zakah and they believe with certainty in the Hereafter.They establish obligatory prayers, pay Zakah and believe with certain faith in the Hereafter, the resurrection after death, reward and punishment for all deeds, good and bad, and Paradise and Hell.This is like the Ayat:قُلْ هُوَ لِلَّذِينَ ءَامَنُواْ هُدًى وَشِفَأءٌ وَالَّذِينَ لَا يُوْمِنُونَ فِى ءَاذَانِهِمْ وَقْرٌSay:"It is for those who believe, a guide and a healing. And as for those who disbelieve, there is heaviness (deafness) in their ears..." (41:44) لِتُبَشِّرَ بِهِ الْمُتَّقِينَ وَتُنْذِرَ بِهِ قَوْماً لُّدّاًthat you may give glad tidings to those who have Taqwa, and warn with it the Ludd (most quarrelsome) people. (19:97) Allah says here