Every book is a quotation; and every house is a quotation out of all forests, and mines, and stone quarries; and every man is a quotation from all his ancestors.

In the world of physics, we often find that the simplest questions are the hardest to answer.

The city is the greatest architectural achievement of humanity.

Ethical business practices are not constraints, but foundations for long-term growth.

幸福就是能够不带恐惧地认识自己。

最成功的企业是那些能够随着时间的推移而适应和进化的企业。