It is the chief among the sciences, the chief among the mysteries. It is the best means of sanctification. It is imperishable, not opposed to the sacred law. It is to be apprehended directly, and is easy to practise. O terror of your foes! those men who have no faith in this holy doctrine, return to the path of this mortal world, without attaining to me. This whole universe is pervaded, by me in an unperceived form. All entities live in me, but I, do not live in them.