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.

The mind is everything; what you think, you become.

市场失灵的程度并不是政府干预的充分条件。

Evolution is the greatest story ever told.

事实上，光的理论是我非常感兴趣的研究课题，我对光的本质形成了明确的看法。

生命的初期，一定要从环境中吸收大量的讯息，这是心智活动最频繁的时期，孩子需要从环境吸收一切的事物。