聆听——[Apple] Feathers are not the point
了解铅笔!=会画画;了解for循环!=会编程－－》编程更多是一种思维方式，而非机械技能。
理想的IDE：
support & encourage powerful ways of thinking
enable programmers to see & understand the execution
系统
Outter(环境) read the vocabulary-follow the flow-see the state-create by reacting-create by abstracting
Inner(语言) Identity&Metaphor-Decomposition-Recomposition-Readablity
补充：综合编程 , 其他综合 ,
