人工智能的未来是无监督学习。
Science is a wonderful thing if one does not have to earn one's living at it.
数学家是能在定理之间找到类比的人;更好的数学家是能在证明之间看到类比的人;而最好的数学家是能注意到理论之间类比的人。
When you fail, that's when you get up and try again. There's no reason to just stay down.