The Explanation of the Three Fundamental Principles PB

By Shaykh Dr. Saalih Al-Fawzaan Shaykh Saalih Al-Fawzaan said: So these are called Usool because other than it, from the affairs of the religion, are built upon them. Due to this, they are called Usool; because the matter of the religion is built upon them and all of the religion revolves around these three principles.