"The most important thing in empirical work is to be clear about the question you are trying to answer."

Every experiment is a conversation with nature, and sometimes nature whispers its secrets.

You should never give up on your dreams.

外交的目标是通过对话和合作解决争端，并推动可持续的和平发展。

你不能靠理论来经营企业或任何东西。