成功不在于你赚了多少钱,而在于你对人们生活的影响。
中心地的等级越高,其服务的区域越大,此类中心地的数量越少。
知识的最大敌人不是无知,而是知识的幻觉。
The world is a better place with your art in it.
It's not about how many times you get knocked down, it's about how many times you get back up.