You have many things to do, but not all things are to be a success, you may encounter failure. Even if you try your best, you will not necessarily to the perfect answer. But when you fail is that you should not be discouraged, deepand even lose confidence and unable to get up after a fall,as the old saying goes: failure is the mother of success, you need to be more valuable lessons from the mistakes, no one will never succeed, everyone will experience failure,while the failure into the experience and motivation then you will be the biggest winner.
After our school on the road might meet many unknown problems, may experience failure and setbacks, don't be afraid of failure, that is the most valuable experience.