The best preparation for tomorrow is doing your best today.
The beauty of instrumental variables is that they allow us to see the world in a new light.
"Tennis is a mental game. Everyone is fit, everyone hits great forehands and backhands."
科学没有国界,但科学家有祖国,我们要为国家农业发展贡献力量。
中央银行需要成为房间里那个成熟的大人。
I've learned that success is not about the destination, but about the journey.