quotations about logic
If you use a trick in logic, whom can you be tricking other than yourself?
LUDWIG WITTGENSTEIN
Culture and Value
There can be no doubt that the knowledge of logic is of considerable practical importance for everyone who desires to think and to infer correctly.
ALFRED TARSKI
Introduction to Logic and to the Methodology of the Deductive Sciences
Logic is like the sword--those who appeal to it shall perish by it.
SAMUEL BUTLER
The Notebooks of Samuel Butler
Pure logic is the ruin of the spirit.
ANTOINE DE SAINT-EXUPERY
Flight to Arras
Life eludes logic, and everything that logic alone constructs remains artificial and forced.
ANDRE GIDE
Autumn Leaves
No, no, you're not thinking; you're just being logical.
NIELS BOHR
attributed, The Mass-Extinction Debates: How Science Works in a Crisis
It's a fool that looks for logic in the chambers of the human heart.
JOEL COEN
O Brother, Where Art Thou?
Logic is essentially a tool for getting at truth; it is the tool, for without it no reasoning is possible in any field of human enquiry whatsoever.
DAVID S. ODERBERG
"Predicate Logic and Bare Particulars", The Old New Logic: Essays on the Philosophy of Fred Sommers
One of the best things to come out of the home computer revolution could be the general and widespread understanding of how severely limited logic really is.
FRANK HERBERT
Without Me Nothing
Anything that thinks logically can be fooled by something else that thinks at least as logically as it does.
DOUGLAS ADAMS
Mostly Harmless
But as for logic, that is the armory of reason, furnished with all offensive and defensive weapons.
THOMAS FULLER
The Holy State and the Profane State
The pedant and the priest have always been the most expert of logicians -- and the most diligent disseminators of nonsense and worse.
H. L. MENCKEN
"Clinical Notes", The American Mercury, Jan. 1924
For nothing is more democratic than logic; it is no respecter of persons and makes no distinction between crooked and straight noses.
FRIEDRICH NIETZSCHE
The Gay Science
So, though most of us can reason without a formal training in logic, study of logic is needed at least to learn how to discern correct reasoning from incorrect reasoning.
CHHANDA CHAKRABORTI
Logic: Informal, Symbolic & Inductive
Some may study side by side, and yet be asunder when they come to the logic of things.
CONFUCIUS
The Wisdom of Confucius
What frightened me was the logic of the world; in it lay the foretaste of something incalculably powerful. Its mechanism was incomprehensible, and I could not possibly remain closeted in that windowless, bone-chilling room. Though outside lay the sea of irrationality, it was far more agreeable to swim in its waters until presently I drowned.
OSAMU DAZAI
No Longer Human
The logic of the world is prior to all truth and falsehood.
LUDWIG WITTGENSTEIN
Notebooks
If the world were a logical place, men would ride side saddle.
RITA MAE BROWN
Sudden Death
But there is another conclusion: to laugh at logic if it runs counter to the interests of men.
THEODOR W. ADORNO
Dialectic of Enlightenment
A mind all logic is like a knife all blade. It makes the hand bleed that uses it.
RABINDRANATH TAGORE
Stray Birds