The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
The coal industry must evolve or risk becoming obsolete. Adaptation is the key to survival.
Writing is not just a profession, it's a way of life.
个人不再需要决定什么是善或恶;规则已经被给定。
今天种下的每一棵树都是对明天的承诺。