在最低阶层中保存知识的手段对公众的重要性超过了该国所有富人的所有财产。
The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.
Now, my mama always told me that miracles happen every day. Some people don't think so, but they do.
物理定律必须以独立于坐标系选择的方式表述。
Science is a journey, not a destination.