Teaching must begin with the learners'experience.

24、知识是珍贵宝石的结晶，文化是宝石放出来的光泽。

Knowledge is the crystallization of precious gemstones and culture is the luster of gemstones.

25、爱是天性，但也需要学习才能传达。

Love is natural, but it also needs learning to convey.

26、人生必须的知识就是引人向光明方向的明灯。

The necessary knowledge in life is the light that leads people to the bright direction.

27、一篙不可须臾缓，为学如撑水上船。

A pool should not be slowed down, for learning is like a water boat.