今天我们必须负责任地开采煤炭，这样我们的孩子才能继承能源安全和健康的环境。

The more acute the experience, the less articulate its expression.

The key to success is to keep growing in all areas of life - mental, emotional, spiritual, as well as physical.

理论很少被更好的理论推翻，更多的是被失去兴趣的实践者抛弃。

一幅画应该是眼睛的盛宴，一首无言的诗歌。

Every species has its own unique value and survival significance.

Minimal material, maximum effect.

真实的存在意味着为个人选择承担责任。

最可持续的森林是在保持其生态完整性的同时为人们提供价值的森林。