真正的幸福存在于心中。
本当の幸せは、心の中にある。
The key to good design is to make things simple, but not simpler.
The most successful states in the 21st century will be those that can combine the efficiency of markets with the fairness of democratic institutions.
我似乎总是想以最节能的方式，用自然界里最平常的东西来造各种东西。