真正的创造力来自限制，而不是无限的可能性。
True creativity comes from limitations, not from unlimited possibilities.
Every ton of aggregate we produce carries the weight of responsibility—to our customers and our communities.
When stocks are attractive, you buy them. Sure, they can go lower. I've bought stocks at $12 that went to $2, but then they later went to $30. You just don't know when you can catch the bottom.