Pascal Schmidt wrote in a message to CHARLES ANGELICH:

 PS> Hi CHARLES! :-)

 RJT>> ^^^^^^^^^ Haven't you run across this before? "There Ain't
 RJT>> No Such Thing As A Free Lunch"... 
 CA> Well no not really, only in your messages. 
 PS> For what it's worth, its origin is Robert Heinlein's "The Moon is a
 PS> Harsh Mistress" SF novel.

Actually I think the expression was around long before that,  though it
does indeed appear in that book...

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