每一个科学进步都迫使我们面对新的伦理问题。
Every scientific advancement forces us to confront new ethical questions.
教育的艺术必须从教育的科学中衍生出其规则。
The best way to be successful is to be persistent.
Efficiency in farming should never come at the cost of biodiversity.
森林的真正价值远远超出了它的木材。