在数学中，提出问题的艺术必须比解决问题更有价值。
In mathematics, the art of proposing a question must be held of higher value than solving it.
科学不是民主。它是独裁。重要的不是人们相信什么，而是可以通过实验证明什么。
“邪恶胜利的唯一必要条件是好人无所作为。”
The fully realized person is one who has discovered and is developing his or her own potentialities.
The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.
Collaboration across borders is key to solving the challenges of global hunger.