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"The only true wisdom is in knowing you know nothing."

Sustainability isn't an option - it's our responsibility to future generations.

每個數學問題都有解決方案，但并非每個解決方案都顯而易見。

"When you have a dream, you've got to grab it and never let go."

一個好故事就像一面鏡子，映照出我們靈魂的隱秘角落。

"We are all made of stories, and stories are made of us."

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.