12、书籍是朋友,虽然没有热情,但是非常忠实。——雨果
Books are friends, though not enthusiastic, but very loyal.
13、不希望的事情可能随时发生,希望的事情可能久待不来。——迪奥克里塔
What you don't want may happen at any time. What you want may not come for a long time.
14、使教育过程成为一种艺术的事业。——赫尔巴特
Make the educational process a career of art.
15、学习知识要善于思考,思考,再思考。——爱因斯坦
Learning knowledge should be good at thinking, thinking and thinking again.