学习应使人感到快乐，否则不能称之为真正的学习。

成功的关键是永不停止学习。

"Happiness is not something ready made. It comes from your own actions."

我思考历史的重量。

The best way to find out if you can trust somebody is to trust them.

Technology alone won't save us; it must be paired with a fundamental shift in how we consume and think about energy.