【译文】广泛学习钻研，坚定自己的志向，恳切地提出问题并且联系实际去思考，仁德就在其中了。

Listen to your customers more than you speak to them - they'll tell you exactly what you need to know.

我们必须听取科学家的意见，并根据他们对海洋生态系统的警告采取行动。

To be free is to accept responsibility for one's own life.

教学只是教育的脚手架；真正的建筑是由孩子自己完成的。