真相很少是纯粹的，也从不简单。
The truth is rarely pure and never simple.
领导力就是激励人们去做他们从未想过自己能做的事。
追求高效算法的核心是一项数学努力，它挑战了我们对复杂性和可计算性的理解。
The beauty of the world has two edges, one of laughter, one of anguish, cutting the heart asunder.
The most dangerous phrase in the language is, "We've always done it this way."
