Diplomacy is a means to achieve national interests, but it should also respect the principles of peace, justice, and rule of law.

这是最好的时代，这是最坏的时代。

非经典逻辑的研究不仅是一种学术练习，更是理解复杂系统的必要条件。

若要优雅的姿态，走路时要记住行人不只你一个。