Some people learn by reading- - - -others learn by doing. The successful ones are willing to profit by others' mistakes. Those of us who do that are definitely in the minority, but I've spent 65 years correcting other people's mistakes, and made a pretty good living at in the process.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!