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.
追求知识不仅是心灵的旅程，也是心灵的旅程。
The human voice is the most perfect instrument of all.
The key to success in business is not just to satisfy customers but to exceed their expectations.