How to make Theoretical Physics valid for the longest

To construct Theoretical Physics ONLY ON EXPERIMENTAL BASICS. „The first principle is that you must not fool yourself and you are the easiest person to fool.“ R. P. FEYNMAN difference between a good experiment and a good theory is in the fact that the theory gets old quickly and it is replaced by another one, based on more perfect ideas. It will be forgotten quickly. The experiment is something else. The experiment, which has been thought well and performed carefully, will step in the science forever. It will become its part. It is possible to explain such experiment differently in different periods of times. P. L. KAPICA