If you want to do a lot of things or study to enrich youself and help other in your life,which makeing sense your life,you should not waste your time.

• 如果想在有生之年做一点什么事，学一点什么学问，充实自己，帮助别人，使生命成为有意义，不虚此生，那么就不可浪费光阴。