I don’t think you can compare eras in tennis. Every era has its great players.

The unexamined life is not worth living.

Collaboration between governments, businesses, and scientists is key to protecting our oceans.

最好的投资是投给能执行的人，而不仅仅是投给一个想法。

没有科学，水产养殖就会停滞；没有道德，它就会崩溃。