Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful. But most people will die tomorrow night, so don't give up today.
今天很殘酷，明天更殘酷，后天很美好，但絕對大部分是死在明天晚上，所以每個人不要放棄今天。
Collaboration in mathematics is essential; no one can solve all the problems alone.
The man who lets a leader prescribe his course is a wreck being towed to the scrap heap.
做一件事如果琢磨太久，就永遠做不成。
【譯文】 孔子說：“君子有九種事情要考慮：看要考慮是否看清楚了、聽要考慮是否聽清楚了、臉色要考慮是否溫和、表情要考慮是否謙恭、言談時要考慮是否忠誠、工作時要考慮是否敬業(yè)、疑問時要考慮請教、憤怒時要考慮后患、見到好處時要考慮道義?！?/div>