What is sound doctrine? It emphasizes -> the scriptures as inspired by the HolySpirit  -> the oneness of God -> the deity of Christ Jesus -> that salvation is by GraceThroughFaith -> the Love of the HolySpirit of Christ Jesus -> faith -> TheJudgment<p>And most importantly that we are to be One with Christ by absorbing His Word and being filled with His HolySpirit. <p>Sound doctrine is consistent and coherent.  It is not mysterious and can be easily explained.