I don't let setbacks stop me. They make me stronger.
We cannot be sure of having something to live for unless we are willing to die for it.
我不等待心情。如果你那样做,你将一事无成。你的头脑必须知道它必须开始工作。
The future of energy lies in balancing profitability with responsibility.
At the close of our studies, we knew all the past of physics, but nothing of the present and the future.
每一本书都是一次旅程,每一次旅程都是一本书。
A long habit of not thinking a thing wrong gives it a superficial appearance of being right.