能源行业在变化，我们也必须如此——适应是生存的关键。

The motto of chivalry is also the motto of wisdom; to serve all, but love only one.

The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

可持续性不是一种选择，而是负责任企业的唯一前进道路。

模型最重要的不是其假设，而是其结论。