"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
Diplomacy is not only about the affairs between nations, it also concerns the fate and future of humanity as a whole.
逻辑学研究不仅仅是关于推理规则,而是关于推理本身的本质。
The best time to plant a tree was 20 years ago; the second-best time is now.