Life is not a race, but a journey to be savored each step of the way.Yesterday is history,Tomorrow is a Mystery and Today is a gift:that's why we call it The Present.生活不是赛跑而是一场旅行，需要你一步一步的慢慢的去体会.昨天已成过去，明天还是未知，今天才是最珍贵的。