你永远不会穿得太讲究或学得太多。
The most difficult thing is to be simple.
Train people well enough so they can leave, treat them well enough so they don't want to.
  一切迷信的根源在于人们只关注事情成功的时候,而不关注失败,他们只记住成功,而忽视失败。
The laws of physics are universal, but our understanding of them is constantly evolving.