反馈的研究就是稳定性的研究。
The beauty of mathematics only shows itself to more patient followers.
The greatest power is not in controlling others, but in understanding them.
当你创新时,你必须准备好每个人都说你疯了。
The value of information is not in knowing more, but in knowing what others don't know.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.