The truth of science should not be found in the dusty books of ancient saints, but in experiments and theories based on experiments. Galileo

Laboratory and invention are two closely related terms. Without laboratories, natural science would wither. Once the scientist left the laboratory, he became a soldier who surrendered his weapon on the battlefield. Pasteur

The theory of natural science is inseparable from the basis of experiment. The backward thought of "those who work hard govern others, and those who work hard are governed by others" is very harmful to the scientific youth in developing countries. Samuel Chao Chung Ting

I don't like boring lectures without experiments, because in the final analysis, all scientific progress begins with experiments. oersted

All reasoning must come from observation and experiment. Galileo

Do it yourself, move your hands and observe with your own eyes, which is the highest principle of our experimental work. -Pavlov

Obtaining knowledge from experiments, knowledge is power-Bacon