最有效的调试工具仍然是仔细的思考，再加上明智放置的打印语句。
The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.
It’s possible that a not-so smart person， who can communicate well， can do much better than a super smart person who can’t communicate well. That is good news because it is much easier to improve your communication skills than your intelligence.
领导力是关于以清晰和信念做出艰难的决定。
The most important thing is to keep moving forward.
