I often wonder this. I would bet most are from life experiences.
The signature I use came from my high school Biology teacher who used to say this all the time to the point of being annoying. He is suprememly superstitious, and I always found it very funny. I'm also one of those "conspiracy theory" guys who believe that there are many "FIXED" games in the sportsworld even at the professional level involving players AND referees, so if you are on the right side of a fix, you are lucky, and it doesn't matter if you are good or not, lol!
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It's far better to be LUCKY than good.
The signature I use came from my high school Biology teacher who used to say this all the time to the point of being annoying. He is suprememly superstitious, and I always found it very funny. I'm also one of those "conspiracy theory" guys who believe that there are many "FIXED" games in the sportsworld even at the professional level involving players AND referees, so if you are on the right side of a fix, you are lucky, and it doesn't matter if you are good or not, lol!
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It's far better to be LUCKY than good.