任何伟大公司的核心在于其员工。投资他们，他们就会投资于业务。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

If you’re changing the world, you’re working on important things. You’re excited to get up in the morning.