To know is nothing at all; to imagine is everything.

人类的选择在于自由和幸福之间，而对于大多数人来说，幸福更好。

"No man really knows about other human beings. The best he can do is to suppose that they are like himself."

跨行业和跨国界的合作对于满足世界能源需求至关重要。

记忆是一种成就，甚至是一种更新。