真正的挑战不是建造一个便宜的房子，而是建造一个居住成本低的房子。
The real challenge is not to build a cheap house, but to build a house that is cheap to live in.
Technology should serve both progress and preservation.
When I look at the world I'm pessimistic, but when I look at people I am optimistic.
The world is everything that is the case.