The most powerful tool of the architect is the eraser.
数学不仅仅是抽象理论的集合,而是描述宇宙的语言。
It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be very intelligent.
不平等并非不可避免。它是我们通过所追求的政策做出的选择。
We have forty million reasons for failure, but not a single excuse.