Any person ,who gives people's HOPE can change the world.You must believe it whole-heartedly and do it yourself with self-sacrificed until you can do it successfully.Then you can proudly share your experiences.Before changing the world,you must change yourself.ATTITUDE IS THE MOST IMPORTANT THING.SET UP YOUR GOAL AND WORK HARD FOR IT.EVEN YOU WALK SLOWLY,NEVER STOP,NEVER GIVE UP.PROBLEM IS A WAY OF LIFE.KEEPING ON YOUR GOOD WORK.USING YOUR GUTS.