Wa qaalal lazeena ootul 'ilma wailakum sawaabul laahi khairul liman aamana wa 'amila saalihaa; wa laa yulaq qaahaaa illas saabiroon
But those who had been granted (true) knowledge said: "Alas for you! The reward of Allah (in the Hereafter) is best for those who believe and work righteousness: but this none shall attain, save those who steadfastly persevere (in good)."