Shunryu Suzuki, Mel Weitsman, Michael Wenger (1999). “Branching Streams Flow in the Darkness: Zen Talks on the Sandokai”, p.30, Univ of California Press
John Tillotson (1714). “The works of the most reverend Dr. John Tillotson, late Lord Archbishop of Canterbury: containing fifty four sermons and discourses on several occasions. Together with The Rule of Faith. Being all that were published by His Grace himself and now collected into one volume, to which is added an alphabetical table of the principle matter”, p.391
Jean de La Bruyère, Luc de Clapiers marquis de Vauvenargues (1903). “La Bruyère and Vauvenargues: Selections from the Characters, Reflexions and Maxims”