如果我们为之奋斗，煤炭的未来是光明的。

预测未来的最好方法是创造未来。

One way of looking at speech is to say that it is a constant stratagem to cover nakedness.

Science should serve humanity, not the other way around.

真正的理解来自同理心。

When will you ever make me proud?

真理的概念与自由的概念不可分割。