If you are afraid of failure, you will not innovate.
如果你害怕失败,你就不会创新。
证明的严谨性将数学与所有其他科学区分开来。
外交是实现国家利益的一种手段,但也要尊重和平、公正和法治的原则。
In grain production, patience is not just a virtue - it's a necessity.