Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The title of the essay has been Chosen partly to suggest from the beginning an important and intelligible aspect of Thoth to the general reader, and partly to remind the student that a god who, at first sight, might seem to be a divinity of purely Egyptian importance, was, nevertheless, associated w1th such a widely flowing current of ancient thought as the speculation of the Hermetic writings.