The Trinity is essential to Christianity because it concerns the “who,” “how,” and “what” questions of historic biblical Christianity. Who is God? Who is Jesus? How are we to worship God properly? And what is the testimony concerning the Character of the God of the Bible? Trinitarianism is to Christianity as breathing is to living. You may not fully understand it or that it’s even taking place, but to reject the Trinity in full knowledge of what the Trinity entails is the equivalent of choosing