…this concept has been used? For example, in a book which was published, I think, in 1951, a book by three authors, Perls, Hefferlein, and Goodman called Gestalt Therapy. There are a great many exercises of awareness, of being aware of objects in the outer…

…be particularly welcome. Now, I've been greatly impressed recently by a book which was published nearly ten years ago by Perls, Hefferlein and Goodman called Gestalttherapy, which is, among other things, a huge compendium of means by which awareness can be…