——1997年9月26日在美国加州圣地亚哥市发表演讲

The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.

Innovation is not just about technology, but about creating value for customers.

The mind is a constantly evolving process.

I don’t need too much. Glamour and all that stuff don’t excite me. I’m just glad I have the ability to make a difference.

光是建筑中最重要的材料。