成为背景角色，既意味着默默无闻，又不可或缺。

"In quantum mechanics, the act of observation changes the system being observed."

石材的真正价值在于我们如何改造它以供人类使用。

没有所谓的应用科学，只有科学的应用。

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

All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty or possessions.

语言是灵魂与世界之间的桥梁，而文学则是跨越这座桥梁的艺术。