过去是一种始终存在的阴影，无论你选择忽视与否。

在桂林学界迎会的演说，1922年1月22日

An expert is a person who has made all the mistakes that can be made in a very narrow field.

We have to be willing to change and adapt to the new reality.

The true cost of fish should include the cost of keeping our oceans healthy.

大海是一面镜子，映照出凝视它的人的灵魂。

I think the most important thing in life is to be true to yourself.

La poesía es la única prueba concreta de la existencia del hombre.

诚信是商业中最重要货币。一旦失去它，你就失去了一切。