All the prophets and Awliya (saints) that emerges from time to time in this world were those sent by Allah (the God) to rid of a mental disorder mankind has afflicted with, preventing the attainment of peace and tranquility. The cause of this mental disorder is the feeling that Allah and the creation are separate from each other. Unless this thought (Shirk-equating) is removed from the hearts and minds, there is no way to achieve the union with God. Al-Quran on Oneness of The Being written by Sheihul Mufliheen M.S.M Abdullah (Rah) Distinctly understand the truth about the fundamental principles of Islam that there is nothing but God which is based on Quran, Hadith and Reasoning.