In addition to the abundant treasury of lectures by Hazrat Inayat Khan, treating every aspect of the spiritual life, there is also a little known collection of short sayings preserved by some of the students who were close to the Master. The following was taken down by the English mureed Miss Nargis Dowland.

What is necessary just now is not only that brotherhood should be taught as morals, but as spirit, as a spiritual law. This whole manifestation is one whole mechanical working wherein every soul has its place. There is not one soul in the whole universe which is a foreign soul. It is this Brotherhood which must be realised.