"Psychology should measure the mind by its outcomes."
PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。
The world needs energy, and our job is to provide it responsibly.
英国是一个伟大的国家,但我们不能躺在过去的荣誉上。
"When you have a dream, you've got to grab it and never let go."
世路风霜艰险,是我们锤炼思想的环境;世情冷暖,是我们克制性情的时机;世事是非颠倒,是我们修身实践的凭借。