"Books are the windows to other worlds."
书籍是通往其他世界的窗户。
The study of L-functions is a reflection of the unity of mathematical knowledge.
The future of medicine lies in understanding the unseen—viruses, genes, and the invisible forces that shape health.
引用自海明威《老人与海》，张海迪在演讲中多次引用以表达坚韧精神
"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."
The most ordinary lives are full of extraordinary moments.