Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
领导力是激励他人实现他们曾经认为不可能的事情。
Prediction is very difficult, especially about the future.
应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。
"Identity is not just about where you come from, but also about where you are going."
The community stagnates without the impulse of the individual. The impulse dies away without the sympathy of the community.