The following lectures were given in Pretoria, South Africa, between 3rd February and 23rd June 1953 (The same also being given earlier in Johannesburg, between 9th October 1952 and 9th April 1953). The Lecture Notes could be purchased in blocks of ten prior to the series being given. A full account of these lectures combining the Lecture Notes and a transcription into text of the 17 known sound recordings have never been made public until now. This edition is now the definitive version of the full inner course as given by Murdo to his South Africa students. In this series of Lectures, Murdo places great emphasis on discerning your thoughts and cleansing the mind of all that is hindering the expression of the true Self. Revealing more of the Inner Teachings of Jesus and the Ancient Ones as given to Murdo by the Masters in Tibet.