永远不要停止提问，因为那是发现的开始。

We must balance short-term gains with long-term vision.

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

人类的选择在于自由和幸福之间，而对于大多数人来说，幸福更好。

造纸行业的未来在于平衡传统与尖端技术。

You don’t write because you want to say something; you write because you’ve got something to say.