The mind is like a crazy monkey, which leaps about and never stays in one place. It is completely restless and constantly paranoid about its surroundings. The training, or the meditation practice, is a way to catch this monkey, to begin with. That is the starting point.

- Chogyam Trungpa, The Teacup & the Skullcup: Chogyam Trungpa on Zen and Tantra