The function of the rungs of a ladder is not to let us rest but to support a foot when we use the other to climb up.

• 1 世间只有两个悲剧。一个悲剧是得不到自己想要的东西，另一个悲剧是得到了自己想要的东西。There are two tragedies.；One is you cann't get what you want；the other is you get what you want