实现真正自由的唯一途径是通过教育和启蒙。

The man who is fit to work at any particular trade is unable to understand the science of that trade without the kindly help and cooperation of men of a totally different type of education.

天然气开采的创新不仅仅是关于效率——它关乎道德。

粮食安全的未来就在波涛之下，我们必须负责任地养殖。