The best time to plant a tree was 20 years ago; the second best time is now.
在追求真理的过程中，没有捷径，只有不懈的知识追求。
我的目标很简单。那就是完全理解宇宙，为什么它是这样的，以及它为什么存在。
Natural gas will play a crucial role as a bridge fuel in the transition to a lower-carbon future.
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
