Do not fear mistakes
It's not necessary to fear the prospect of failure but to be determined not to fail.
FAILURE, IT'S NOT NECESSARY TO FEAR THE PROSPECT OF FAILURE
Failure is instructive. The person who really thinks learns quite as much from his failures as from his successes.
FAILURE, FAILURE IS INTRUCTIVE
Don't be afraid of missing opportunities. Behind every failure is an opportunity somebody wishes they had missed.
Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.