If you study in thousands of books and don't have a master in your heart, it's like getting rich, and it's hard to spend money. zhen banqiao

Knowing the past and not knowing the present is called sinking. Knowing the present and not knowing the past is called blindness. —— Wang Chong

Read an outline and untie a volume to make it clear to everyone. -Zheng Xuan

Knowledge is mainly "mastering" actively, not "imparting". -Qian Sanqiang

Never be satisfied with your study. Never be impatient with your teaching. Confucius

Haste makes waste is the first serious illness in reading, and kung fu is continuous, not slow. -Lu Long

If you don't accumulate steps, you will be thousands of miles away; If you don't accumulate small streams, you won't be a river. -Xun Kuang

Studying from time to time is not pleasant! Confucius

Love books-this is the source of knowledge! Gorky

Books are the ladder of human progress. Gorky