在数学中，最深刻的思想往往源于最简单的观察。

插图不仅仅是图画；它们是故事的灵魂。

我们的智慧来自于我们的经验，而我们的经验来自于我们的愚蠢。

There is nothing which I dread so much as a division of the republic into two great parties, each arranged under its leader, and concerting measures in opposition to each other.

The most successful companies are those that listen to their customers.

I'm not a self, I'm a spirit.

"I love the challenge of playing against the best players in the world."