Further Studies in a Dying Culture (1949), Chapter IV: Consciousness: A Study in Bourgeois Psychology
“In Aristotle the mind, regarded as the principle of life, divides into nutrition, sensation, and faculty of thought, corresponding to the inner most important stages in the succession of vital phenomena.”
Source: Principles of Physiological Psychology, 1904, p. 22
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Wilhelm Wundt 6
German physician, physiologist, philosopher and professor 1832–1920Related quotes

Source: "Outlines of the Science of Energetics," (1855), p. 121; Lead paragraph: Section "What Constitutes A Physical Theory"

Actually from "War Propaganda", in volume 1, chapter 6 of Mein Kampf (1925), by Adolf Hitler
Misattributed

Source: Imperialism, the Highest Stage of Capitalism: Full Text of 1916 Edition

“Habits and faculties are necessarily affected by the corresponding acts”
Golden Sayings of Epictetus
Context: If you have given way to anger, be sure that over and above the evil involved therein, you have strengthened the habit, and added fuel to the fire. If overcome by a temptation of the flesh, do not reckon it a single defeat, but that you have also strengthened your dissolute habits. Habits and faculties are necessarily affected by the corresponding acts... One who has had fever, even when it has left him, is not in the same condition of health as before, unless indeed his cure is complete. Something of the same sort is true also of diseases of the mind. Behind, there remains a legacy of traces and of blisters: and unless these are effectually erased, subsequent blows on the same spot will produce no longer mere blisters, but sores. If you do not wish to be prone to anger, do not feed the habit; give it nothing which may tend to its increase. At first, keep quiet and count the days when you were not angry: 'I used to be angry every day, then every other day: next every two, next every three days!' and if you succeed in passing thirty days, sacrifice to the Gods in thanksgiving. (75).

This is the radio personality Harry Harrison (born 20 September 1930), quoted in Think Vol. 21, No. 1 (January 1955), and The Book of Positive Quotations (2007) edited by John Cook, Steve Deger, and Leslie Ann Gibson
Misattributed

Letter to Ezra Pound (21 December 1948)
1940s

Address to the British Association for the Advancement of Science (1898)
Context: A formidable range of phenomena must be scientifically sifted before we effectually grasp a faculty so strange, so bewildering, and for ages so inscrutable as the direct action of mind on mind. This delicate task needs a rigorous employment of the method of exclusion — a constant setting aside of irrelevant phenomena that could be explained by known causes, including those far too familiar causes, conscious and unconscious fraud. The inquiry unites the difficulties inherent in all experimentation connected with mind, with tangled human temperaments, and with observations dependent less on automatic record than on personal testimony. But difficulties are things to be overcome even in the elusory branch of research known as experimental psychology.