These intensive meditation retreats, though somewhat mechanical themselves, seem to be designed to awaken you from mechanical, unaware existence. Long and consecutive days of intensive zazen require new ways of dealing with physical and mental pain, boredom, and fear…
Living and Dying in Zazen
Animals do Zazen Naturally, by Zen Master Kozan Kato
So we have to do zazen. It’s the most important thing in the life of a human being.