Seconds on the clock about what to move,each move is that we look at the life span has been shortened in part.Look at the wall that can be torn off one by one calendar day,is that we tore one another to shorten the life of a day.Because of the time to life.
No people do not cherish his life,but few people value his time.If you want to do a little something in their lifetime,learning just a little more knowledge,to enrich themselves and help others,make life meaningful,not empty this life,then it can not be wasting our time.This principle is that everyone know everything,but very few people can actively tireless better use of his time.