The other day I witnessed a tragedy—a car knocked into a little dog and the dog died while the driver left without hesitate .After the accident ,blood was covering the ground and the bitch was barking and running miserably.She licked gently her son’s lovely face ,but he just stayed merciless in return for his mother’s howl.Witnessing the tragedy ,I felt shock.It’s the first time I stayed so closed to death,feeling death is too far to me ,but actually it is always by my side,and I could lose my life or my relatives without consciousness.From  that monent on ,I had made up my mind to cherish every second of my life and make the best of my time to do anything meaningful.Meanwhile,I wish that all the readers can acknowedge the value of life ,or at least we shouldn’t do anything childish that may hurt ourselves and others.It’s true that we won’t treasure others until we lose it.May myself and all the readers would cherish and care for others and ourselves for the rest our life but not just for a while.