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。

Sustainability isn't a buzzword—it's a commitment to future generations.

作品总是在变化。

The only way to learn mathematics is to do mathematics.

The key to sustainable growth is balancing short-term gains with long-term vision.

中国的崛起和俄罗斯的复兴挑战了自由民主是唯一可行的政府形式的观念。