诗歌是表达无法表达之物的艺术。
A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.
数学家的模式，就像画家或诗人的模式一样，必须是美丽的；思想，就像颜色或文字一样，必须以和谐的方式结合在一起。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'