任何经济理论的最终检验标准是它是否能改善现实世界的决策。
The true end of satire is the amendment of vices by correction.
The challenge of our time is to harness energy without harming the planet.
灵魂是身体的监狱。
繁荣的森林证明了自然的恢复力和人类的守护。