To realise the value of ONE YEAR, ask a student who failed a grade.
To realise the value of ONE MONTH, ask a mother who has given birth to a premature baby.
To realise the value of ONE WEEK, ask the editor of a weekly newspaper.
To realise the value of ONE HOUR, ask the lovers who are waiting to meet.
To realise the value of ONE MINUTE, ask a person who just missed a train.
To realise the value of ONE SECOND, ask someone who just avoided an accident.
To realise the value of ONE MILLISECOND, ask the person who won a silver medal at the Olympics.