市场总是在变化，我们也必须如此。

The one thing you can't trade for your heart's desire is your heart.

"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."

The role of business is to produce products and services that make people's lives better—while using fewer resources—and to act lawfully and with integrity.

"Writing is a way of talking without being interrupted."

最好的故事是提出的问题多于解答的故事。