2. Cultivate scientific attitude and improve scientific quality.

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

A good scholar tries his best, but a good doer finds it difficult.

5. It is better to see hearsay than to see shadows.

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

7. Experiment is the father of science.

8. Explore the mysteries of life and improve the quality of life.

9. The weight is known by the power, and the length is known by the degree.

10. There is no other way to identify errors except experiments.

1 1. All reasoning must come from observation and experiment.

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