数学是一门活生生的学科，随着新思想的出现而不断发展。
Integrity is doing the right thing, even when no one is watching.
Every challenge in farming is an opportunity to innovate.
The artist is the antenna of the human race.
应对不自由世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛。