Learn to Smile学会微笑
Smile can let you have more friends. When you meet somebody and smile to him, he will think you are a kind person, everybody will like to talk with you if there is a smile on your face.
There are many difficult things in your life that make you unhappy, and you must learn to face them with a smile. If you fail the exam, smile to be confident again. If you are ill, don't be sad, smile to get strength.
Smile is like a flower and the sunshine.