 In 1950, upon hearing a speech about the harmful effects of the revolution on civilians by one of the commanders, Major Isman, he decided to serve as a priest.He was ordained in 1959, while studying philosophy and theology at the "Institut Sancti Pauli" in Yogyakarta.He continued to study architecture in Aachen, Germany, and at the Aspen Institute of Humanistic Studies in Aspen, Colorado.