Аннотация:The article of the famous expert in the sphere of cosmic rays was written in 1980, the last year of his life. It shows the scientist's concern in long-term continuous observations of natural phenomena and processes. The attempts to stop some observations, which were begun some centuries ago worried him very much. Such attempts were explained by the principle of the economy and application of the contemporary scientific achievements. Academician A. E. Chudacov emphasizes in his afterword, that now many scientists share Vernov's views.