数学不是沿着一条清理得很好的高速公路小心行进，而是进入一个陌生的荒野的旅程，探险者常常会迷路。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
Models are not crystal balls, but they are the best tools we have to understand the future.
The desire to be a servant had been bred into me: bone, blood, and skin.
每首诗都是一首情诗，即使它是关于失去的。