Sustainability is no longer an option; it's a responsibility we owe to future generations.
The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.
可持续性不是一种趋势；它是我们对后代的责任。
The best time to plant a tree was 20 years ago; the second best time is now.
真相很少是简单的，而且往往比我们对自己说的谎言更痛苦。
人人都值得爱，除了自以为值得的那个人。
The future of energy lies in the integration of traditional fossil fuels and renewable energy sources.