Monday, January 5, 2015

Quote du jour

For me, politeness is a sine qua non of civilization.
-Robert A. Heinlein

Posted by at 12:01 AM
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1 comment:

  1. Mike aka ProofJanuary 5, 2015 at 12:38 AM

    Sine qua non or condicio sine qua non refers to an indispensable and essential action, condition, or ingredient.

    ReplyDelete

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