To understand the world, you must first understand a place like Mississippi.

Leaders must have the courage to make tough decisions today for a better tomorrow.

相信有时是件可怕的事。

"The essence of mathematics lies in its freedom."

成功建立在持续学习和适应的文化之上。

模型的好坏取决于其假设。

"The world is run by those who show up."

我不完美，但我就是我。