There is nothing of harshness nor of contempt in the distinction he draws, but only a calm and wise recognition of the facts. Even the well-prepared candidate, the learned and trained pupil, could only hope to advance step by step in the profound truths unveiled in the Mysteries. This appears clearly in his comments on the vision of Hermas, in which he also throws out some hints on methods of reading occult works. "Did not the Power also, that appeared to Hermas in the Vision, in the form of the Church, give for transcription the book which she wished to be made known to the elect? And this, he says, he transcribed to the letter, without finding how to complete the syllables. And this signified that the Scripture is clear to all, when taken according to base reading; and that this is the faith which occupies the place of the rudiments. Wherefore also the figurative expression is employed, 'reading according to the letter,' while we understand that the gnostic unfolding of Scriptures, when faith has already reached an advanced state, is likened to reading according to the syllables.... Now that the Saviour has taught the Apostles the unwritten rendering of the written (scriptures) has been handed down also to us, inscribed by the power of God on hearts new, according to the renovation of the book. Thus those of highest repute among the Greeks dedicate the fruit of the pomegranate to Hermes, who they say is speech, on account of its interpretation. For speech conceals much.... That it is therefore not only to those who read simply that the acquisition of the truth is so difficult, but that not even to those whose prerogative the knowledge of the truth is, is the contemplation of it vouchsafed all at once, the history of Moses teaches; until accustomed to gaze, as the Hebrews on the glory of Moses, and the prophets of Israel on the visions of angels, so we also become able to look the splendours of truth in the face."[123] Yet more references might be given, but these should suffice to establish the fact that S. Clement knew of, had been initiated into, and wrote for the benefit of those who had also been initiated into, the Mysteries in the Church. The next witness is his pupil Origen, that most shining light of learning, courage, sanctity, devotion, meekness, and zeal, whose works remain as mines of gold wherein the student may dig for the treasures of wisdom. In his famous controversy with Celsus attacks were made on Christianity which drew out a defence of the Christian position in which frequent references were made to the secret teachings.[124]