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.
爱是对人类存在问题的唯一理智和令人满意的回答。
In investing, what is comfortable is rarely profitable.
The past is not a burden, but a foundation upon which to build.
Insanity is repeating the same mistakes and expecting different results.