"We don't take ourselves too seriously, we just have fun."
我们不太把自己当回事,我们只是享受乐趣。
In preparing for battle I have always found that plans are useless, but planning is indispensable.
【释义】:父亲不慈爱,子女就不会孝顺;兄长不友爱,弟弟便不会恭敬。  
The best way to learn mathematics is to do mathematics.