土地是一种独特的生产要素，其供给是有限的。

The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

Psychology is the science of mental processes.

You have to be willing to fail in order to succeed.

意识的元素是心理学的终极现实。

正义是治理的基础。

创新不是一蹴而就的，而是需要持续不断的努力和坚持。