怎么会有不用同道的人而只用与自己意见相同的人的道理呢？ 

我们这年代的人读书太多而不聪明，想得太多而不美丽。

——《在广州商团及警察联欢会的演说》（1924年1月14日）

质量就是在无人注视时依然把事情做对。

But the old man thought only of his steering and his great tiredness. He had gone out too far and the sharks had beaten him. He knew they would leave him nothing but the stripped skeleton of his great catch.

The future of liberal democracy depends on its ability to adapt to new challenges and to maintain the support of its citizens.

We must strengthen international cooperation to jointly address the challenges of energy security and climate change.

I write in blood because I remember what it felt like to bleed.

The first step in the art of cutting metals is to find a man who has the necessary skill and experience to do the work.

The only good is knowledge and the only evil is ignorance.