所以,音乐越繁复,治国的成绩越少。因此来看,音乐不是用来治理天下的啊! 
无人机的价值在于解决行业的痛点。
改变的秘诀在于集中所有精力不是与旧事物斗争,而是建设新事物。
Without some goals and some efforts to reach them, no man can live. What we call life is a journey, and the journey itself is home.