“You can get assent to almost any proposition so long as you are not going to do anything about it.”
John Jay Chapman, Practical Agitation (1900), ch.7
Misattributed
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Nathaniel Hawthorne 128
American novelist and short story writer (1804 – 1879) 1804–1864Related quotes

Letter to his parents (9 March 1943), from Simon Heffer, Like the Roman. The Life of Enoch Powell (Phoenix, 1999), p. 75.
1940s

Willie Nelson On Eggs, Martial Arts & Living A Life Without Worry, Southern Living, Lifestyle Network, January 2017, February 22, 2017 http://www.southernliving.com/culture/celebrities/willie-nelson-interview-video,

“As long as you are convinced you have never done anything, you can never do anything.”

Source: Matilda said, "Never do anything by halves if you want to get away with it. Be outrageous. Go the whole hog. Make sure everything you do is so completely crazy it's unbelievable...

(1741), Ch. I, General Rules for the Improvement of Knowlege, Rule X "Avoid a dogmatical spirit".
1720s, The Improvement of the Mind (1727)

“Isn’t there anything you can do about the predator?”
Carmody asked.
“Nothing. Nor would I if I could. Predation is a necessary circumstance. Even the Gods are eventually eaten by Fate. You will not be an exception to the universal rule.”
Chapter 21 (p. 136)
Dimension of Miracles (1968)