Sheikhul Islam Muhammad bin Abdul Wahhab mentions the evidence for the four matters: بسم الله الرحمن الرحيم * وَالْعَصْرِ * إِنَّ الْإِنسَانَ لَفِي خُسْرٍ * إِلَّا الَّذِينَ آمَنُوا وَعَمِلُوا الصَّالِحَاتِ وَتَوَاصَوْا بِالْحَقِّ وَتَوَاصَوْا بِالصَّبْرِ Meaning: “By time, Indeed, mankind is in loss, Except for those who have Iman (believed) and done righteous deeds and advised […]
https://alhudathequranclub.wordpress.com/2015/08/30/evidence-for-the-four-obligatory-matters/