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！！