Quality should never be compromised, not even in the face of rising costs.

Free education is abundant, all over the Internet. It's the desire to learn that's scarce.

The only valid data for psychology are the reports of trained observers.

可持续性不仅仅是保护环境，更是创造一个对所有人都有利的系统。

真相往往比小说更离奇，但小说帮助我们理解真相。