According to numerous indications – including the express declarations of Jesus himself – much that is essential to the proper comprehension and practical application of Christian doctrine, was reserved for future disclosure. History has yet to record the full manifestation of that “Spirit of Truth,” who was to testify of Jesus, and lead his followers into all truth. And the world has still to see the Christ-ideal so “lifted up” and exhibited as, by force of its perfection as a system of life and thought, irresistibly to “draw all men” to it.