笑和哭都是对挫折和疲惫的反应。我自己更喜欢笑，因为之后需要清理的少。
Laughter and tears are both responses to frustration and exhaustion. I myself prefer to laugh, since there is less cleaning up to do afterward.
The future of energy lies in diversification—oil, gas, renewables, and beyond.
What is the one sentence summary of how you change the world? Always work hard on something uncomfortably exciting!
时间就是金钱，不要浪费它。