领导力是激励他人实现他们认为不可能的事情。
Words are powerful, they can create and destroy.
Writing is a way of life, a way of being in the world.
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。
微小的行动，乘以数百万，就能改变世界。