机器学习算法的最终测试是它在新的、未见过的数据上表现良好的能力。

悲伤不是线性的过程。它像波浪一样袭来，有时那些波浪会把你击倒。

"Drawing is the honesty of the art. There is no possibility of cheating. It is either good or bad."

Psychology is the science of mental life in its adaptive relations.

释义：刑罚与奖赏的根本目的在于鼓励善良、惩罚邪恶，帝王治理天下时应该统一标准，不能因为人的身份地位高低、关系亲疏而有所偏颇。这是对公平公正治理原则的阐述。 

Good design is as little design as possible.