Rev. denHartog is pastor of the Hope Protestant Reformed Church in Redlands, California. In our two previous articles we have considered the importance of doctrine for our Christian faith. True Christianity is based on sound doctrine. Christianity is more than merely living by several vaguely defined principles of ethics taught by Jesus which have little more than human and earthly good as their object. Christianity without doctrine leads to humanism and modernism. True Christianity is knowing and believing, confessing and living by the true doctrine of God. Doctrine, according to Scripture, is nothing more than sound teaching. It is the...