教育的功能是教人深入思考和批判性思考。
The power of mathematics comes from its ability to abstract and generalize, turning specific problems into universal truths.
The most important thing in life is to stop saying 'I wish' and start saying 'I will.'
死者試圖與活者交談，就像年長者試圖與年輕者交談一樣。
The web is more a social creation than a technical one. I designed it for a social effect—to help people work together—and not as a technical toy.