Time is invaluable

If you want to know the value of a year, ask a person who has just failed the university entrance exam.

If you want to know the value of a month, ask a mother who has just gave birth to a premature child.

 If you want to know the value of a week, ask a person who has had cancer at the last period.

 If you want to know the value of a day, ask an editor of a daily newspaper.

 If you want to know the value of a hour, ask a person who has just been stuck in an elevator.

 f you want to know the value of a minute, ask a person who has just missed a bus.

 If you want to know the value of a second, ask a person who has a relative that has just died in a traffic accident.

 If you want to know the value of a tenth of a second, ask a person who has just won the silver medal in the  Olympics.