“There are two types of sociological research. Some researchers take the fate of society or civilization as the starting point, reduce the task of science to the knowledge of what exists, and are unable or unwilling to provide a guiding thread for practice. Others depart from the destinies of the individual, believing that society and civilization in themselves have no value if they do not serve to satisfy the needs of the individual; Further, these researchers think that science is obliged to give practice the necessary instructions and study not only what exists, but also what is desirable...”