Today I was trying to clean up my messy room, so I started with what I need to get rid of, and I found tons of papers filled with ink. I started thinking about everything I wrote in the past ten years, and I've wasted countless papers with writings that don't matter, but I became a better writer as a result.
Attempts make us better, our failing attempts of accomplishing things shape us into better people, no matter how bad we feel about ourselves then.
I read a quote once that said something like: "Your first song will suck, your first painting will suck, but you have to keep going."
Which makes you think about how great people made awful works for years to get where they are, that's the path, that's how it works.
When we fail at things we would like to achieve we feel bad, but we get better, we never stop to think about the progress we make through failing.
Next time you fail you should celebrate your failures, they are the main reasons you become a better person.