Coal will remain a vital energy source, but only if we evolve with the times.

我不太习惯接受赞美。我不喜欢被放在神坛上。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.

The most important skill in mathematics is the ability to think clearly.

I have often been asked how my plays come about. I cannot say. Nor can I ever sum them up. I can only say that this is what happened. That is what they said. That is what they did.