Never be afraid of the moments-thus sings the voice of the everlasting .
The key is to set realistic customer expectations, and then not to just meet them, but to exceed them — preferably in unexpected and helpful ways.
除非你相信对世界的知识以及由此产生的力量对人类具有内在价值,否则你不可能成为科学家。
林业的短期收益往往会导致地球的长期损失。
可持续性不是一种趋势,而是我们对后代的责任。