自然实验是理解现实世界中因果关系的强大工具。
The only constant in agriculture is change—embrace it.
Leadership is not about being in charge. It's about taking care of those in your charge.
流离失所的伤口永远不会完全愈合;它只是学会了用不同的语言说话。
大脑是一台匆忙下结论的机器。