The most exciting moments in mathematics are when you realize that two seemingly unrelated areas are deeply connected.
数学中最激动人心的时刻是当你意识到两个看似不相关的领域有着深刻的联系时。
因此，教学艺术无非是时间、科目和方法的巧妙安排。
I don't want to wake up in the morning and think, 'I'm going to work to make money.' I want to wake up and think, 'I'm going to work because I love what I do.'
"We are all haunted by something, aren't we?"
Every challenge is an opportunity to learn and improve.
The internet could be a very positive step towards education, organisation and participation in a meaningful society.