You have to know ten times more than you deliver, no matter what you do.
If you are in sales, read sales books and attend sales seminars until sales oozes out of you, preternaturally.
The world is filled with people who know so little but want to produce something that is spectacularly successful. Spectacular success takes a lot of learning.
This is so true. It even applies to writing fiction, where you have to know ten times more of the world than you actually put in the book. Thanks for sharing!
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