I am a prisoner of my own mind, but art sets me free.
化学的语言是普遍的，它的符号被所有国家理解。
数学不是一项观赏性运动；要理解它，必须积极参与其中。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
"We look at the world once, in childhood. The rest is memory."
By the help of microscopes, there is nothing so small as to escape our inquiry; hence there is a new visible world discovered to the understanding.
能源的未来在于多样化，没有任何单一来源能满足我们所有的需求。