
Source: Principles of Physiological Psychology, 1904, p. 22
On a Future State (1815; publ. 1840)
Source: Principles of Physiological Psychology, 1904, p. 22
Meteorological Observations and Essays: Mit Tabellen, 1834 p. 18
As quoted in Lightning Fast Enlightenment: A Journey to the Secrets of Happiness (2000) by Jordan S. Metzger, p. 9
Source: The Amazing Mr. Lutterworth (1958), p. 206