"A great leader listens more than they speak."

At the risk of seeming ridiculous, let me say that the true revolutionary is guided by a great feeling of love.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

Every great and deep difficulty bears in itself its own solution. It forces us to change our thinking in order to find it.

贫穷并不等于缺乏意志力，而是缺乏选择。