功能延迟绑定；数据结构诱导绑定。道德：在编程过程中后期构造数据。
Functions delay binding; data structures induce binding. Moral: Structure data late in the programming process.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
老时相信一切，中年怀疑一切，青年知道一切。
Collaboration across industries and borders is essential to meet the world's energy needs.
过去是一个跟随我们的影子，永远存在，永远萦绕。