The world is a book, and those who do not travel read only one page.
每个数学问题都有一个解决方案;有时只是需要时间去找到它。
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.
一本书是一面镜子;如果一个傻瓜往里看,你不能指望一个智者往外看。