写作是一种勇气的行为,面对我们内心和周围的真相。
课程必须被视为达到目的的手段,而不是目的本身。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The books that the world calls immoral are books that show the world its own shame.
我相信一切事情的发生都有其原因。
最深刻的定理往往有最简单的证明 - 如果你从正确的角度看它们的话。