最大的智慧是知道自己一无所知。
旧梦很美，虽未能实现，但我很欣慰它们曾萦绕心田。
Both incentives and punishments elicit powerful responses.
Innovation is the vitality of the infrastructure industry, without innovation there is no future.
The arithmetic of elliptic curves is a microcosm of the deeper structures in number theory.
The nervous system is a dynamic, ever-changing system.