“Know that Islām is the Sunnah and the Sunnah is Islām” is a lecture titled after the famous statement of Imām al-Barabahārī in his book Sharḥ al-Sunnah (Explanation of the Creed).
Allāh the Majestic mentioned in the Qurʾān:
الْيَوْمَ أَكْمَلْتُ لَكُمْ دِينَكُمْ وَأَتْمَمْتُ عَلَيْكُمْ نِعْمَتِي وَرَضِيتُ لَكُمُ الْإِسْلَامَ دِينًا
This day have I perfected your religion for you, completed My favour upon you,
and have chosen for you Islām as your religion.
[Sūrah al-Māʿidah, 5:3]
This perfect and complete religion, of which we even call the non-Muslims to, based on its perfection and completeness. How then could it be that new ideas, ideologies and sciences could improve upon it? The religion of Islām addresses all aspects of human-life from the most personal issues of hygiene to the most influential issues of government and leadership. Addressing all of mankind, those who believe, those who disbelieve, the poor, the rich and all walks of life in between.
The speaker highlights the unanimous stance of the Islamic scholars of old like Imām Mālik ibn Anas [d. 179H] who were clear in expressing stern warning against those who introduce new matters into this complete dīn or seek to replace anything from it!
The speaker poses the question, “Is there someone that can teach us better than the Messenger (ﷺ)?” The one who perfected the levels of worship! There is nothing you can bring from your desires, your nation, your tribe, your family that can improve upon the Sunnah of Muḥammad (ﷺ).