I learned to read, not to communicate, always stay in their own understanding

Thoughts: read learned, without communication, always stay in your own understanding; If you have read or learned do not want no chance to exchange, then see how to use it, but also can promote or improve your understanding of it.

Thoughts: Simple thing is very simple, but a lot of simple things together, it will become simple, therefore, a complex system must have a lot of modules, although these modules each of which looks very simple