The disciplined technique of practicing meditation amounts to putting yourself into an inconceivable situation in which the analytical mind doesn't function anymore. So I would say that the disciplines of the Buddhist teachings are largely a way of freeing oneself from analytical mind, which has a dream quality. Analytical mind is close to the clouds, while the instinctual level is much closer to the earth. So in order to come down to earth, you have to use the earth as a means of bringing you down.
From "An Approach to Meditation: A Talk to Psychologists" in The Sanity We Are Born With: A Buddhist Approach to Psychology, page 53.