我们靠获得的东西生存。但我们靠给予的东西生活。

写作古文的难度，比登上青天还要难。

If you’re going to play like you don’t care, we’re not going to win.

It's not always rainbows and butterflies, it's compromise that moves us along.

The challenge for us is to create content that is compelling and relevant.

熵是对随机变量不确定性的度量。