Katharine Sun

To realize the value of one year：

Ask a student who has failed a final exam.

To realize the value of one month：

Ask a mother who has given birth to a premature baby.

To realize the value of one week：

Ask an 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 has missed the train， bus or plane.

To realize the value of one second：

Ask a person who has survived an accident.

To realaize the value of one millisecond：

Ask the person who has won a silver medal in the Olympics.

Time waits for no one.

Treasure every moment you have.