being lazy in thinking, unwilling to delve into and deeply understand, and being complacent or content with insignificant knowledge are all reasons for poor intelligence. This poverty can be called by one word, which is "stupidity". -Gorky

The history of knowledge is like a great polyphony, in which the voices of all ethnic groups are heard one after another. -Golde

Knowledge and ability are accumulated bit by bit, so we should pay attention to having a solid foundation, reviewing and consolidating, and not rushing for success. -Gu Chaohao

Only knowledge is power, and only knowledge can make us honestly love others, respect people's labor, and sincerely appreciate the wonderful achievements of uninterrupted great labor; Only knowledge can make us become strong-minded, honest and rational people. -Gorky

Except knowledge and learning, there is no power in the world that can establish rule and authority in people's spirit and mind, and in people's thoughts, imagination, opinions and beliefs. -bacon

imagination is more important than knowledge, because knowledge is limited, and imagination summarizes everything in the world, promotes progress and is the source of knowledge evolution. Strictly speaking, imagination is a real factor in scientific research. -Einstein

Knowledge is power. -cultivating roots

Natural talents are like natural plants, which need pruning by learning. -bacon