"Time is like gold"
To realize the value of a sister
Ask someone who doesn't have one.
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 still birth.
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 time waits for no one.

Time is really important to human kind.
Even Allah swears with 'time' in the several ayah in Al-Quran.
Treasure every moment you have.
You will treasure it even more.