生命中最伟大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。
"The greatest glory in living lies not in never falling, but in rising every time we fall."
Quality is not a department; it is a mindset.
The analogical city is a city that resembles another city.
The Langlands conjectures suggest that there is a hidden harmony between different areas of mathematics.
"A good book is an event in my life."
You have to be able to laugh at yourself, to not take yourself too seriously.