优秀的数学家不是知道所有答案的人，而是能提出正确问题的人。
A good mathematician is not one who knows all the answers, but one who asks the right questions.
Every book is a journey, and every journey is a book.
The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.
真正的成功来自于产生积极影响，而不仅仅是盈利。
The fundamental principle of gestalt psychology is that the mind forms a global whole with self-organizing tendencies.
I'm not perfect, but I'm trying my best.
Don't cry， I'm sorry， you must understand， I am sorry to deceive you so much， but this is life.
