实现明天的唯一限制是我们今天的疑虑。
The only limit to our realization of tomorrow will be our doubts of today.
The rules of art are not arbitrary; they are founded in reason and in the nature of things.
海洋的健康是全球经济健康的一面镜子。
"The only real failure in life is not to be true to the best one knows."
The only way to escape the past is to confront it.
What do we call visible light? We call it color. But the colors are only the names we give to the way light behaves when it hits something.