Liberty cannot be preserved without a general knowledge among the people.

Porcelain is the most alchemical of materials, turning earth into something that seems to hold light.

We don't inherit the land from our ancestors; we borrow it from our children.

Quality is never an accident; it's always the result of intelligent effort.

The only limit to our realization of tomorrow is our doubts of today.

A man is but the product of his thoughts. What he thinks， he becomes.

The poet is the interpreter of nature’s secrets.

Every scientist has a responsibility to consider the broader implications of their work.

我们唯一的限制是我们为自己设定的限制。

逃避平庸的唯一方法就是不断进化。

我相信个人改变社会的力量。