Does 1 John Teach the Trinity Doctrine?
The letter of 1 John was one of the last books of the New Testament to be written. Trinitarians say that the New Testament teaches the Trinity doctrine with absolute definiteness. If these assertions are true, we should surely find some evidence of such at this late date in the first century, because “the faith . . . was once for all handed down to the holy ones” (Jude 3 NAB) with the completion of the Bible. So let’s see exactly what we do find when we examine the scriptures themselves: