 From 1957 on internal struggles surfaced between dr. Surono and the founders Pak Hardo and Pak Sadina, leading to a change in leadership by dr. Ary Muthy in 1967.Sumarah theology maintains that humankind's soul is like the holy spirit, a spark from the Divine Essence, which means that we are in essence similar to God.In other words, "One can find God within oneself," a belief similar to the "I=God" theory found in Hindu-Javanese literature.