.to realize

To realize the value of a sister ask someone who doesn't have one.
To realize the value of ten years: ask a newly divorced couple.
To realize the value of four years: ask a graduate.
To realize the value of one year: ask a student who has failed a final exam.
To realize the value of nine months: ask a mother who gave birth to a stillborn.
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 realize the value of one millisecond: ask the person who has won a silver medal in the Olympics.
To realize the value of a friend: lose one.
Time waits for no one.
Treasure every moment you have.