Write a propaganda slogan for the science laboratory (requirement: it is a famous saying about science, no more than eight words. )

if you don't know, ask; if you can't, learn; if you can't, it's virtue. If you don't see it, it will be ridiculous; Seeing it without knowing it, although knowing it is not false; If you know what you are doing, you will be trapped. -Xun Kuang

If you don't climb the mountain, you don't know the height of the sky. Don't face the deep valley, I don't know the thickness of the land; I don't know the greatness of learning until I hear the last words of my late king. -Xun Kuang

Everything should be done in a down-to-earth manner, not in fantasy, not in vain, but in a down-to-earth manner. If you study with this attitude, the truth will be clear; If you do things with this attitude, you will succeed. -Li Dazhao

When it comes to learning methods, I want to sum them up in six words: "Strict, serious and rigorous." This scientific learning method, in addition to learning from others, is more important to rely on their own conscious hard exercise. -Su Buqing

There are three ways to read, that is, the heart is aware, the eyes are aware, and the mouth is aware. If the heart is not here, the eyes will not look carefully, and the mind will not be single-minded, but will only read aloud, and never remember it, and it will not last long. Of the three, the heart is the most urgent. -Zhu Xi

Learning and doing are originally related. If you learn, you must think. If you figure it out, you must do it. Only when you are doing it can you see whether you have really learned. Otherwise, although there are many books, they just become a dead stack. -Xie Juezai

If you want to read a good book, you must first lay a good foundation and read a good foundation before you can study individual problems on this basis. The foundation requires a wide range, while the study requires a deep range. The breadth and depth are also unified. Only the breadth can be deep, and only the depth can be broad. -Wu Han

Independent thinking ability is an essential talent for scientific research and invention. Any important scientific creation and invention in history is inseparable from the inventor's independent and in-depth approach to problems. -Hua Luogeng

The question of knowledge is a scientific one, and nothing can be false or proud, but it is the opposite-honesty and humility. -Mao Zedong

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. -Bergen

man not only depends on what he was born with, but on what he gets from his study to make himself. -Golde

Smart people have long ears and short tongues. -flaig

Man's genius is just a spark. If you want to make it a blazing flame, there is only learning! Study! ! ! -Gorky

The first sign of an educated mind is being good at asking questions. -plekhanov

I didn't get any other benefits from studying hard, but I was more and more aware of my ignorance. -Descartes

Learning is an extremely precious thing, and it is not shameful to absorb it from any source. -Abu Ri Faraz

Learning is labor, and it is labor full of thoughts. -ushinski

It is false to use knowledge too much as decoration; It is a scholar's quirk to judge things completely according to the rules of learning. -Logan

Don't go to bed when you can't tell yourself what you have learned today. -Fort Lee Heaton

Idle study is not better than idle study. -Joe Behles

The three conditions for studying are: observing more, suffering more and researching more. -Garfield

The secret of learning a lot is not to learn a lot at once. -Locke

Knowledge is true only when it is acquired by positive thinking rather than remembered by vouchers. -Tolstoy

Many things are modest, and everything is natural, except knowledge. The richer the knowledge, the more expensive the value. -Margo

Knowledge stored as mental fat is useless, and it is only useful when it becomes mental muscle. -Spencer

Knowledge and sophistication are different, and truly learned people are often naive. -romain rolland

There are two kinds of knowledge, one is the problem that we are proficient in; The second is that we know where to find knowledge about a problem. -Johnson

Nature has given us the seeds of knowledge, not the knowledge itself. -Hanneka

Knowledge is the medicine for fear. -Emerson

Knowledge has weight, but achievement has luster. Some people feel the power of knowledge, but more people only see the luster of achievement. -chesterfield

Knowledge is a treasure, but practice is the key to it. -Thomas Fuller

Repetition is the mother of learning. -Dietzgan