“The final weapon is the brain, all else is supplemental.”
Source: The Acts of King Arthur and His Noble Knights
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John Steinbeck 366
American writer 1902–1968Related quotes

"The Application of Thought to Textual Criticism", a lecture delivered on August 4, 1921
“Now," Graves finally said, "anyone else want to piss me off? Anyone else think this is a goddamn?”
Source: Betrayals

Source: The Seven Steps of the Ladder of Spiritual Love, p. 144

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 504.

“A god without dominion, providence, and final causes, is nothing else but Fate and Nature.”
Isaac Newton: Principia Mathematica (1687); Rules of Reasoning in Philosophy, Rule IV.
Misattributed