The fabric of society must depend on the individual rights of persons, on the rights of property.

The most difficult thing is to be simple.

True progress is measured not just in profits, but in the positive impact we have on society.

世界是一本书，不旅行的人只读了一页。

Drones are not toys, but tools to transform industries.

景观研究是对自然与人类文化相互作用的研究。