知识的唯一来源是经验。
The only source of knowledge is experience.
The price of freedom is eternal vigilance.
Light is what makes architecture alive.
We are all bit-part actors in each other's lives.
世界上最伟大的事情就是知道如何属于自己。
跨行业和跨国界的合作对于满足世界能源需求至关重要。