It is extremely important to investigate the causes or origins of suffering. One must begin that process by appreciating the impermanent, transient nature of our existence. All things, events and phenomena are dynamic, changing every moment, nothing remains static. Meditating on one’s blood circulation could serve to reinforce this idea: the blood is constantly flowing, it never stands still….

–His Holiness the Dalai Lama

From “The Pocket Dalai Lama,” edited by Mary Craig, 2002. Reprinted by arrangement with Shambhala Publications, Boston, www.shambhala.com.