君子学习的目的,只是为了追求真理。
永远不要在安全上妥协——它是我们所做一切的基石。
Mathematics is the language in which the universe is written.
Try again.Fail again.Fail better.
真相不会因为我们能否接受而改变。
Mathematics is a living subject, constantly evolving with new ideas and discoveries.