"The hardest thing in life is to know which bridge to cross and which to burn."
The best way to predict the future is to create it.
解析:自然的法则,是损减有余来补充不足;人类社会世俗的作法却不然,而是损减贫穷不足来供奉富贵有余。
Sustainability is not an option, it's a necessity for the energy sector.