What is the theme in Catching the Big Fish by David Lynch?

Transcendental Meditation is a central theme. Transcendental Meditation is a form of consciousness expanding meditation that Lynch practices daily. Developed by the Maharishi Mahesh Yogi, Transcendental Meditation is a way that one can delve deep into the subconscious to learn about the Self. Through this practice, many experience bliss and an expansion of mind, body and spirit.