“If a man achieves or suffers change in premises which are deeply embedded in his mind, he will surely find that the results of that change will ramify throughout his whole universe.”
Source: Steps to an Ecology of Mind (1972), p. 336
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Gregory Bateson 49
English anthropologist, social scientist, linguist, visual … 1904–1980Related quotes

“All that a man achieves and all that he fails to achieve is the direct result of his own thoughts.”
Source: As a Man Thinketh

“He who is fixed to a star does not change his mind.”

As quoted in Statesman and Friend: Correspondence of John Adams with Benjamin Waterhouse, 1784–1822 http://babel.hathitrust.org/cgi/pt?id=mdp.39015026646540;view=1up;seq=69 (1927), edited by Worthington C. Ford, Boston, Massachusetts: Little, Brown, and Company. p. 57
Attributed

Source: Suicides and Compassion 1932, The Theosophist https://www.theosophyforward.com/index.php/theosophy/609-suicides-and-compassion.html (2012)
Opera and Humour (1991)
Context: The mind of man, though perhaps the most splendid achievement of evolution, is not, surely, that answer to every problem of the universe. Hamlet suffers, but the Gravediggers go right on with their silly quibbles.

“A fanatic is one who can't change his mind and won't change the subject.”
Variant: A fanatic is one who can't change his mind and won't change the subject.

Unverified attribution noted in Respectfully Quoted: A Dictionary of Quotations (1993), ed. Suzy Platt, Library of Congress, p. 227

“It is easier to change a man's religion than to change his diet.”