It is not what we believe, but why we believe it; moral responsibility begins there.  
Mathematics is the art of giving the same name to different things.
In trading, you have to be paranoid to survive.
The art of being wise is the art of knowing what to overlook.
有两样东西,人们越是经常持久地对之凝神思索,它们就越是使内心充满常新而日增的惊奇和敬畏:我头上的星空和我心中的道德律。
儿童有自我保卫和平和追求完美的内在冲动。
Look at me.We all have marks on our face. I have this wrinkle here from your first surgery.I have these wrinkles here from your last surgery. This is the map that shows us where we’ve going.And this is the map that shows us where we’ve been.And it’s never ever ugly.