Monday, February 25, 2008

Logic

From alt. quotations


Logic is neither a science nor an art, but a dodge.
--Benjamin Jowett

Logic: an instrument used for bolstering a prejudice.
--Elbert Hubbard

Logic, like whiskey, loses its beneficial effect when taken in too large
quantities.
--Lord Dunsany

Not everything that counts can be counted, and not everything that can
be counted, counts.
-- Sir George Pickering, British Clinician (b.1904)

If logic tells you that life is a meaningless accident. don't give up on
life. Give up on logic.
-- Shira Milgrom (1988) in E. Umansky and D. Ashton eds Four Centuries
of Jewish Women's Spirituality (1992)

Man created logic ... and because of that was superior to it. ...The
tool does not describe the designer.
--ROGER ZELAZNY (1937-1995), "For a Breath I Tarry", 1966

Nature cares nothing for logic, our human logic: she has her own, which
we do not recognize and do not acknowledge until we are crushed under
its wheel.
--Ivan Turgenev (1818-1883), _Smoke_ [1867]

No, no, you're not thinking, you're just being logical.
--Niels Bohr, physicist (1885-1962)

Logic and truth ... have very little to do with each other. Logic is
concerned merely with the fidelity and accuracy with which a certain
process is performed, a process which can be performed with any
materials, with any assumption. You can be as logical about griffins and
basilisks as about sheep and pigs ... Logic, then, is not necessarily an
instrument for finding out truth; on the contrary, truth is a necessary
instrument for using logic--for using it, that is, for the discovery of
further truth ... Briefly, you can only find truth with logic if you
have already found truth without it.
-- G.K. Chesterton, The Man Who was Orthodox (1963)

If you are merely a sceptic, you must sooner or later ask yourself the
question, "Why should _anything_ go right; even observation and
deduction? Why should not good logic be as misleading as bad logic?
They are both movements in the brain of a bewildered ape?"
-- G.K. Chesterton, Orthodoxy

High explosives are applicable where truth and logic fail
-- unknown

"Our minds evolved to recognize patterns, for survival. And many are the
patterns than cannot be captured by rational thought. It is not so
strange that we can sense patterns that have no rational basis. It does
not mean they have no basis at all. Is a friendly touch rational? A
mother's love? An enemy's hatred? Yet these things have been obvious to
our minds since the time our monkey ancestors swung from the branches of
trees. Rationality is a tool, not the sole reliable style of thinking."
--character in _Heaven_, Ian Stewart and Jack Cohen