Scientific truth should not be found in the dusty books of ancient sages, but should be found in experiments and theories based on experiments. ——Galileo

Laboratory and invention are two closely related terms. Without a laboratory, natural science will wither; once a scientist leaves the laboratory, he becomes a disarmed warrior on the battlefield. ——Pasteur

The theories of natural science cannot be separated from the basis of experiment. The backward thinking of "those who work hard are governed by others, and those who work hard are governed by others", which emphasizes theory and neglects experiments, is very harmful to scientific youth in developing countries. ——Ting Zhaozhong

I don’t like boring lectures without experiments, because in the final analysis, all scientific progress starts from experiments. ——Auster

All reasoning must be derived from observation and experiment. ——Galileo

Do it yourself, move your own feet, and observe with your own eyes. This is the highest principle of our experimental work.

——Pavlov

Acquire knowledge from experiments, knowledge is power——Bacon