从30英尺外看，她看起来很有气质。从10英尺外看，她看起来像是为了从30英尺外看而打扮的。
因果推断的本质是超越数据，询问如果我们干预会发生什么。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
To love to read is to exchange hours of ennui for hours of delight.
人们并不愚蠢。他们知道如何从过去推断未来。
Deep into that darkness peering, long I stood there wondering, fearing, doubting, dreaming dreams no mortal ever dared to dream before.
Stay hungry, stay foolish.