To realize the valve of ONE EYEAR

　　ask the student who has failed a class.

　　To realize the value of ONE MONTH，

　　ask a mother who gave birth to a premature baby.

　　To realize the value of ONE WEEK，

　　ask the editor of a weekly newspaper.

　　To realize the value of ONE HOUR，

　　ask the lovers who are waiting to meet.

　　To realize the value of ONE MINUTE，

　　ask a person who missed the train.

　　To realize the value of ONE SECOND，

　　ask a person who just avoided an accident.

　　To realize the value of ONE MILLISECOND，

　　ask the person who won a silver medal in the Olympics.

　　Treasure every moment that you have！

　　Yesterday is history. Tomorrow is mystery.

　　Today is a gift. That's why it's called the present！！