Become aware of internal, subjective, subverbal experiences, so that these experiences can be brought into the world of abstraction, of conversation, of naming, etc. with the consequence that it immediately becomes possible for a certain amount of control to be exerted over these hitherto unconscious and uncontrollable processes.
It is perhaps just dawning on five or six minds that physics, too, is only an interpretation and exegesis of the world (to suit us, if I may say so!) and not a world-explanation.