The only limit is the one you set for yourself.
唯一的限制是你为自己设定的限制。
胜利的时刻太短暂，不能只为那一刻而活。
The old dreams were very good dreams; they didn't work out, but I'm glad I had them.
在能源领域，最大的风险就是不承担任何风险。
我们对月球表面的了解比对海底的了解还要多。