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.
The future of energy lies in diversification and adaptability.
解释：不说苟且附和别人的话，不做苟且讨好别人的事，行正义之事不必计较别人的诋毁或赞扬。
数学是秩序和模式的科学，正是这种秩序让我们能够理解周围的世界。
Age isn't how old you are but how old you feel.