On balance, we know its importance.

After consideration, we know that this is a shortcoming.

There is no other way to identify mistakes except experiments.

Only experiments can distinguish mistakes.

3. Science is the commander and practice is the soldier.

Science is the commander and practice is the soldier.

4, good learning is tireless, and good people are hard to find.

Find out how to learn well and how to go further.

5, rumors are not as good as seeing, and immediate results are not as good as seeing.

Seeing is better than hearing, and investing is better than seeing.

6. The knower is not as good as the walker.

Better said than done.

7. Experiment is the father of science.

Experiment is the father of science.

Everyone has to admit that experiment is the father of science.

Everyone agrees that experiment is the father of science.

9. All reasoning must come from observation and experiment.

All reasons must come from observation and experiment.

10, listening is better than watching, watching is better than practicing.

Seeing is better than hearing, and practice is the best.

1 1, I have a shallow understanding of what I got on paper, and I don't know if it must be done.

One should not believe everything around him, but the truth in books.

12, exploration, knowledge and understanding

Explore the truth and seek knowledge, and you will understand why.

13, when I sit here and watch a fisherman casting, just like a fish.

Onlookers-people will not experience the happiness of onlookers.

14, hearing is not as good as vision, and vision is not as good as experiment.

There is nothing better than an experiment.

15, it is better to try and be effective than to argue with empty words.

Trying is more effective than empty talk.

16, I feel that it will not deceive people, but the judgment will deceive people.

Feelings are not always right, but judgments are sometimes right.

17, bold exploration, repeated experiments.

Explore bravely and do experiments repeatedly.

18, careful observation, careful analysis and scientific summary.

Careful observation, careful analysis and scientific summary.

19, everything must be stupid without practice.

Without practice, everything will fail.