^《四教儀註彙補輔宏記》:「法華疏云:『聞名為知,見形為識,是人益我菩提之道,名善知識。』」(CBETA, X57, no. 980, p. 960, b19-20 // Z 2:7, p. 410, b1-2 // R102, p. 819, b1-2)
外部連結
(英文) Bullitt, John T.(2005). Admirable friendship: Kalyanamittata [An anthology from the Pali Canon]. Retrieved 20 July 2007 from "Access to Insight" at Admirable friendship: kalyanamittata(页面存档备份,存于互联网档案馆).
(英文) Subhuti (2001). Good Company [essay on spiritual friendship]. Printed in Dharmalife(No. 17, Winter 2001). Retrieved from "DharmaLife" at Good Company of Dharma Life.