软件一直处于紧张状态。具有象征意义是任意完美的。但它也可以任意更改。
Management is not about control, but about service.
I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.
The power of positive thinking is the ability to generate a feeling of certainty in yourself when nothing in the environment supports you.
我爱那些能在困境中微笑、在困苦中汲取力量、在反思中变得勇敢的人。