数学的目标是理解我们观察到的现象背后的结构。
The goal of mathematics is to understand the structures that underlie the phenomena we observe.
最好的设计是那些随着时间而改进的设计。
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
Innovation is not just about creating something new, but about making what exists better.
Life isn't about how many breaths you take, but about the moments that take your breath away.