Logic Quotes

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Absence of proof is not proof of absence.
William Cowper

All generalizations are false, including this one.
Mark Twain

Logic is a systematic method of coming to the wrong conclusion with confidence.
/Murphy's Law/

Logic is a way of saying that anything which didn't happen yesterday won't happen tomorrow.
Robert Heinlein

Logic is relative.
John Irving /A Prayer for Owen Meany/

Logic will get you from A to B. Imagination will take you everywhere.
Albert Einstein

No mistake is more common and more fatuous than appealing to logic in cases which are beyond her jurisdiction.
Samuel Butler

One college student in a hot rod car has half a brain, two college student have no brain
/Murphy's Law/

Pure mathematics is, in its way, the poetry of logical ideas.
Albert Einstein

The opposite of a trivial truth is false; the opposite of a great truth is also true.
Niels Bohr

You can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic.
Robert Heinlein /Revolt in 2100/Methuselah's Children/