Three things you need: The ability to not give up something till it works， the ability to give up something that does not work， and the trust in other people to help you distinguish between the two.

听不到门内嬉笑怒骂，可知这家治理严明；座右题写着格言名句，能知此人志趣高雅。

Innovation is the key to sustainable aquaculture. We must constantly seek new methods to protect our oceans while feeding the world.