逻辑学研究不仅仅是关于正确推理，更是关于思维的自由。
You can't change what's going on around you until you start changing what's going on within you.
我们都是相互联系的，我们的行为会在别人的生活中产生涟漪。
自由民主在世界范围内的传播并非不可避免，但它是历史进程中最可能的结果。
The truth is not always beautiful, nor beautiful words the truth.
Every landscape is a state of mind.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
Diplomats should possess flexibility and adaptability to respond to rapidly changing international circumstances.
智能化开采是煤炭行业高质量发展的关键。