历史研究不仅关乎过去，也关乎理解现在和预见未来。

The past is a fire that never stops burning.

I'm not a rapper, I'm a monster.

如果你想飞翔，就必须放弃那些拖累你的东西。

"We need to be insatiable in our desire to learn from the outside and bring that learning into Microsoft."