In-Sil Kim is the youngest daughter in her family, and she always considered her father to be peaceful, quiet, sweet and taciturn man and minister of the church. As a little girl, she did not realize that he had experienced various hardships, struggling in spirit and suffering during the Japanese occupation of Korea. One day, his diary happened to come into her hands, and she learned many things about his personal life. Diary of Faith tells the story of Rev. Kim Yoon Jeom's spiritual life and everyday living experiences. One day he heard a quiet but clear voice coming from somewhere outside of this world. From that time on, he heard God's voice directly. His life was guided by communication with God, and he received visions from God asking that he write; these revelations persuaded his daughter that his personal narrative should be shared. Though Rev. Kim struggled throughout his life and often confessed himself to be unworthy as a minister of the church of the Lord Jesus Christ and as a servant of God, he was a minister with sincerity and consciousness of self, called by God to accomplish the mission of eternal salvation. This personal diary, translated from Korean to English, shares the spiritual journey of a pastor during the Japanese occupation of Korea.