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Logic quotes

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“Insanity is often the logic of an accurate mind overtasked.” Oliver Wendell Holmes Sr., “The Autocrat of the Breakfast-Table” - 1858

“The logical picture of the facts is the thought.” Ludwig Wittgenstein, “Tractatus Logico-Philosophicus” - 1921

“The mass of the people regard as profound only him who suggests pungent contradictions of the general idea. In ratiocination, not less than in literature, it is the epigram which is the most immediately and the most universally appreciated. In...” Edgar Allan Poe, “The Mystery of Marie Rogêt” - 1842

“Histories make men wise; poets witty; the mathematics subtile; natural philosophy deep; moral grave; logic and rhetoric able to contend.” Francis Bacon, “The Essays of Francis Bacon” - 1597

“The employment of the word Logic to denote the theory of Argumentation, is derived from the Aristotelian, or, as they are commonly termed, the scholastic, logicians.” John Stuart Mill, “A System Of Logic, Ratiocinative And Inductive” - 1843

“You can hire logic, in the shape of a lawyer, to prove anything that you want to prove.” Oliver Wendell Holmes Sr., “The Autocrat of the Breakfast-Table” - 1858

“One of the most ordinary weaknesses of the human intellect is to seek to reconcile contrary principles, and to purchase peace at the expense of logic.” Alexis de Tocqueville, “Democracy in America” - 1840

“Logic is like the sword—those who appeal to it shall perish by it.” Samuel Butler, “The Note-Books of Samuel Butler” - 1912

“Everything must be taken into account. If the fact will not fit the theory—let the theory go.” Agatha Christie, “The Mysterious Affair at Styles” - 1920

“I am not keeping back facts. Every fact that I know is in your possession. You can draw your own deductions from them.” Agatha Christie, “The Mysterious Affair at Styles” - 1920

“LOGIC, n. The art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding.” Ambrose Bierce, “The Devil's Dictionary” - 1911

“The solution of logical problems must be simple for they set the standard of simplicity.” Ludwig Wittgenstein, “Tractatus Logico-Philosophicus” - 1921

“But all propositions of logic say the same thing. That is, nothing.” Ludwig Wittgenstein, “Tractatus Logico-Philosophicus” - 1921

“In a certain sense we cannot make mistakes in logic.” Ludwig Wittgenstein, “Tractatus Logico-Philosophicus” - 1921

“For, after all, how do we know that two and two make four? Or that the force of gravity works? Or that the past is unchangeable? If both the past and the external world exist only in the mind, and if the mind itself is controllable what then?” George Orwell, “1984” - 1949

“In philosophy, or religion, or ethics, or politics, two and two might make five, but when one was designing a gun or an aeroplane they had to make four. Inefficient nations were always conquered sooner or later, and the struggle for efficiency...” George Orwell, “1984” - 1949

Related topics

mind philosophy science theory facts wisdom thought mistake misunderstanding poetry limit ease simplicity insanity moral thinking history lawyer word proposition

Related authors

Ludwig Wittgenstein (4)
George Orwell (2)
Oliver Wendell Holmes Sr. (2)
Agatha Christie (2)
Edgar Allan Poe (1)
Francis Bacon (1)
John Stuart Mill (1)
Alexis de Tocqueville (1)
Samuel Butler (1)
Ambrose Bierce (1)

Related sources

Tractatus Logico-Philosophicus (4)
1984 (2)
The Autocrat of the Breakfast-Table (2)
The Mysterious Affair at Styles (2)
The Mystery of Marie Rogêt (1)
The Essays of Francis Bacon (1)
A System Of Logic, Ratiocinative And Inductive (1)
Democracy in America (1)
The Note-Books of Samuel Butler (1)
The Devil's Dictionary (1)