1. Lihat Surah Al-Maidah ayat 44, 50, dan Surah AlAzhab ayat 36. Lihat juga: Muhammad bin 'Abdul Wahhab and Shalih bin Fauzan Al-Fauzan;Syarah Nawaaqidhul Islam,2017
2. Abd al-Karim Zaydan, Synopsis on the Elucidation of Legal Maxims in Islamic Law, trans;Islamic Imran Ahsan Khan Nyazee;Ushul Fiqh Al-Islami,1997