Doctrine is a set of beliefs.
Christian doctrine would be those beliefs that are consistent with the teaching of Jesus and his disciples.
Incorrect doctrine (which could be a matter of interpretation) is called heresy; it is a false teaching.
Key verse about Doctrine: Watch your life and doctrine closely. Persevere in them, because if you do, you will save both yourself and your hearers (1 Timothy 4:16, NIV).
Peter DeHaan writes about biblical Christianity to confront a status quo faith and live a life that matters. He seeks a fresh approach to following Jesus through the lens of Scripture, without the baggage of made-up traditions and meaningless practices.
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