The beauty of instrumental variables is that they allow us to see the world in a new light.
工具变量的美妙之处在于它们让我们以新的视角看世界。
You can’t make art without making mistakes.
The soul is like an uninhabited world that comes to life only when God lays His head against us.
You're on earth. There's no cure for that.
在快速变化的市场中,灵活性和适应性是企业成功的关键。
我们必须记住,历史是由胜利者书写的,但记忆却是由失败者保存的。