Survival = Anger × Imagination.
Life can only be understood backwards; but it must be lived forwards.
最优财政政策要求税收随时间平滑,因为突然的变化会扭曲经济决策。
林业创新不仅仅是技术问题,更是思维方式的转变。
The past is a shadow that shapes the present.
I'm not perfect, and I don't pretend to be.