数学的美在于它允许我们抽象出现实世界的复杂性,专注于基本原则。
The value of a mental process is in its survival utility.
自由是法律允许的一切权利。
You have to believe in yourself when no one else does.
领导力在于让他人因你的存在而变得更好,并确保这种影响在你离开后依然持续。