@Lustig Andrei,
Now we're right back to, "What you are saying and what Tom is saying are polar opposites, Merry".
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"The most certain way to succeed is always to try just one more time."
Thomas Alva Edison
I post this for what it's worth only: namely, zilch. I totally disagree with the sentiment of "If at first you don't succeed..." etc. Doing the same thing over and over again and expecting a different (better) result next time is a fine definition of insanity, imo.
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There's nothing in Tom's quote that suggests "Doing the
same thing over and over again". Quite obviously, trying just one more time worked for him. Being the 4th most prolific patent holder in history speaks to that.