Thich Nhat Hanh (2011). “Your True Home: The Everyday Wisdom of Thich Nhat Hanh: 365 days of practical, powerful teaching s from the beloved Zen teacher”, p.21, Shambhala Publications
Douglas William Jerrold, Blanchard Jerrold (1859). “Specimens of Douglas Jerrold's wit: together with selections, chiefly from his contributions to journals, intended to illustrate his opinions”, p.168