Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.

释义：每个人应该先处理好自己的事情，不要去过多干涉别人的事情。

Hold yourself responsible for a higher standard than anybody else expects of you. Never excuse yourself.

水产养殖的透明度不是可选项——消费者有权知道他们的食物从何而来。