孩子是最苛刻的观众，但也是最值得的。

I'm interested in the edges of things.

Leadership means making tough decisions today that will pay off decades from now.

The Internet is a powerful tool for education, communication, and collaboration.

我不是政治家，我是表演者。但我有声音，我有平台。

世界是平的，但竞技场并不公平。