Who is Keith Mathison?Keith Mathison (born 1967) is an American theologian and author. Mathison is professor of systematic theology at Reformation Bible College in Sanford, Florida. He obtained a Ph.D. from Whitefield Theological Seminary and is an associate editor of the Reformation Study Bible.
What is the Church?A church is a building used for Christian worship services and Christian activities. The earliest identified Christian church is a house church founded between 233 AD and 256 AD. The word church also describes a body or assembly of Christian believers, while "the Church" refers to the worldwide Christian religious community.
What is Heresy?Heresy is any belief or theory that is strongly at variance with established beliefs or customs. In particular the accepted beliefs of a church or religious organization. A heretic is a proponent of such claims or beliefs. Heresy is distinct from both apostasy, which is the explicit renunciation of one's religion, principles or cause, and blasphemy, which is an impious utterance or action concerning God or sacred things. The term is usually used to refer to violations of important religious teachings, in particular in reference to Christianity, Judaism, and Islam.