Gunther:	It's a sad fact that most of us don't know how to appreciate things until they are destroyed.
Nadya:	Let's hope that's not the case with our planet.
Bill:	Most people are so focused on their own affairs that they don't think about the stuff beyond them.
Nadya:	Perhaps that's all the better. Are we prepared to shoulder large-scale responsibilities?
Bill:	Generally not. Perhaps some computer system should be designed for this.
Liao:	That would just create another layer of tyranny. Besides, there's a divinity at work that we don't see.