自由不仅仅是随心所欲的机会；也不仅仅是在既定选项之间选择的机会。自由首先是制定可用选择的机会，对它们进行辩论——然后，是选择的机会。
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.
The truth is not always probable, or likely.
Sustainability is no longer an option; it's a necessity for survival in today's world.
解释：要想人爱护自己，必须先爱护别人；要想人顺从自己，必须先顺从别人。
软件开发中最重要的一个方面是明确你要构建什么。
能源转型不仅仅是减少排放，更是为世界提供可靠且负担得起的能源。