James Burgh (1794). “The Dignity of Human Nature; or, a Brief account of the certain and established means for attaining the true end of our existence ... By J. B. (James Burgh.)”, p.104
"Epistolæ Ad Lucilium" by Marcus Fabius Quintilianus as reported in "Hoyt's New Cyclopedia Of Practical Quotations" by Jehiel Keeler Hoyt, p. 878-82., 1922.
"'The Buddha' & the End of Human Suffering / Pankaj Mishra in Kathmandu, Nepal". Interview with Felix Holmgren, The Liberator Magazine, Volume 7.2, Issue 22, www.livefromplanetearth.org. 2008.