The real contest is always between what you've done and what you're capable of doing. You measure yourself against yourself and nobody else.
我很幸运,无论内心有什么恐惧,我对胜利的渴望总是更强烈。
可持续性还不够——我们需要再生。
林业技术应该服务于自然,而不是征服它。
资源开发必须在经济增长和环境管理之间取得平衡。