——晚年访谈
The best discoveries are those that raise more questions than they answer.
你越努力，就越幸运。
投资更清洁的煤炭技术就是投资我们的未来。
The alternation of motion is ever proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.
And when your sorrow is comforted time soothes all sorrows you will be content that you have known me. You will always be my friend. You will want to laugh with me. And you will sometimes open your window, so, for that pleasure…