在最低阶层中保存知识的手段对公众来说比国家中所有富人的所有财产都更重要。
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.
The world needs science, and science needs the world.
The Big Bang is not the beginning of everything, but the beginning of our observable universe.