On Sat, 21 Nov 2015 11:04:23 -0500, Casper
wrote:

was heard to mutter:

The smart man learns from the mistakes of others, the average man
learns from his own mistake, and the fool never learns, because he
doesn't make mistakes.

A smart man makes a mistake, learns from it, and never makes that
mistake again. But a wise man finds a smart man and learns from him
how to avoid the mistake altogether. -Roy H. Williams


True that, too.