The future of seafood depends on how we farm it today.

晏子春秋

The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.

The only way to have a friend is to be one.

To write is to give voice to the voiceless.

工具变量的美妙之处在于它们让我们以新的视角看世界。