The teacher must be a student of the child as well as of the subject.
教师必须既是学生的研究者,也是学科的研究者。
A human being needs to suffercWhen one suffers, one becomes strong.
我们必须在经济增长与环境责任之间取得平衡。
最好的研究是由好奇心和必要性共同驱动的。