To realize the valuse of one week, Ask the editor of a newspaper. To realize the value of one day, Ask a daily wage laborer who has hungry children to feed. To realize the value of one minute, Ask someone who has missed the train, bus or plane. To realize the value of one second, Ask the person who has survived an accident. To realize the the value of a milli-second, Ask the person who has won a sivler medal.
Time waits for no one.
Treasure every moment you have.