People are not born to know, who can be without doubt? If you are confused and don't follow your teacher, you will be confused.
13、我们谈及希望,但希望不过是恐惧的一个比较文雅的名称罢了。——兰顿
We talk about hope, but hope is just a more elegant name for fear.
14、夫所以读书学问,本欲开心明目,利于行耳。——颜之推
Therefore, reading and learning, the original desire to be happy, bright eyes, conducive to ear.
15、抓住自己最有兴趣的东西,由浅入深,循序渐进地学。——华罗庚
Grasp what you are most interested in and learn it step by step.