It is obvious that we learn more from the mistakes that we make than from the things we do right. It is important that we teach this truth to children. We spend a lot of time lauding success but little time talking about failure in a positive way. When children learn that only being correct on test or questions answered then they become fearful of making mistakes. They become less willing to answer or try something out.
I know it sounds crazy to reward failure and that is not really what is happening. We need to take time to discuss mistakes and errors and ask what has been learned. Someone who is more into education than me needs to come up with a curriculum that allows time to discuss “boo boo’s,” understand what they taught and maybe find amusement in them (when appropriate). This time should include the mistakes made by the teachers as examples of how everyone is included. They could discuss what might have been a better path for next time.
Maybe this way we won’t stifle creativity. Most inventions came after many failures.
worry-less-journey 
I was talking aerodynamics engineer from Old Dominion Univ.and he has almost verbatim on his profile a version I am always telling young people. ” If you haven’t failed, it is likely, you’ve never succeeded”.
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