When you fail, then you learn.
Those who never failure never reach the hights they could.
Read the book:
https://www.amazon.com/Failure-Creates-Success-Manny-Nowak-ebook/dp/B00AWU9N1K/ref=sr_1_4?crid=OAI9M4B0UDQU&keywords=manny+nowak&qid=1567808192&s=gateway&sprefix=manny+nowak%2Caps%2C156&sr=8-4