Scars of failure are proof that you survived for success.. No one ever got succeeded without failing. Even you did not learn to walk without falling down. Do not be afraid of failure, rather get happy when you fail, because, failure is the sign that you are trying to do something great. In life, everything starts from failure and ends with success.
Go in the past and have a look in your childhood, you will realize you have already overcome toughest failures. So, embrace failure rather than running away from it. Failure always brings motivation with it to help you achieve success.