Here's an excellent chapter by William S. Plumer on "The Christian Life" from his work, The Christian , published in 1878. The work in full is found here . When we speak of the Christian life, we may refer either to the gracious principle implanted in the heart of the regenerate, or to the ordinary methods of its manifestation. Let us look at both. The life of God in the soul of a believer is a great mystery. In any case life is somewhat unknown to us. But the life of a child of God is very far removed from the cognizance of the careless. Believers themselves are God's hidden ones. They are fed and nourished by the hidden manna. The secret of the Lord is with them. He shows them His covenant. Their life is hid with Christ in God. True, when Christ, who is their life, shall appear, then shall they also appear with Him in glory. But now they are unknown to the world, except as their light shines in the darkness. The Christian life is supernatural. It is something far a...