What you get on paper is so shallow that you never know what you have to do. -(Lu You) "Reading to Children on Winter Nights"

There are three ways to read, namely, heart, eyes and mouth. If your heart is not here, you will not look carefully, your heart will not be single-minded, you will only read aloud. You will never remember it, and it won't last long. Of the three, the heart is the most urgent, the heart is there, and the eye is not there? -(Zhu) Rules of Training and Learning

When I read a book about a topic I don't understand, I use the method of getting a superficial view of the topic first, browsing many pages and chapters first, and then reading it again from the beginning in order to gain accurate knowledge. I know the sound of this book from beginning to end. This is the only positive solution I can introduce to you. Logic of dialectics

Step up study, grasp the center, rather fine than miscellaneous, rather specialized than more. -(Zhou Enlai) Selected Works of Zhou Enlai

There are three principles in learning: extensive knowledge, more reading and diligent experiments. -(Dai Blaugri)