Writing is my way of being in the world.

The market is always changing, but the constant is a deep understanding of customer needs.

你是自己人生的艺术家，不要把画笔交给别人。

The greatest patriotism is to tell your country when it is behaving dishonorably, foolishly, viciously.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。