"Every wall has its own voice, and my job is to listen."

True knowledge comes from inner insight.

The easiest way to solve a problem is to deny it exists.

桥梁不仅是一种结构，也是人类进步的象征。

The joy of discovery is not in the recognition but in the knowledge that you’ve contributed something meaningful.

一件事情都不能做到有始有终，就不要去操持其他的事情;一物也不明白，就不要追求博闻广记。

社会无法发展出有效、低成本的合同执行机制，是历史上停滞和当代第三世界欠发达的最重要根源。