Shunryu Suzuki, Mel Weitsman, Michael Wenger (1999). “Branching Streams Flow in the Darkness: Zen Talks on the Sandokai”, p.53, Univ of California Press
Shunryu Suzuki, Mel Weitsman, Michael Wenger (1999). “Branching Streams Flow in the Darkness: Zen Talks on the Sandokai”, p.41, Univ of California Press