Marx said in Capital, "Labor and land, are the two original formative elements of wealth." Engels' definition is: "In fact, labor and nature together it is the source of all wealth, nature provides labor with materials, and labor transforms materials into wealth." The definitions of Marx and Engels point out the objective existence of natural resources, but also regard the human (including labor and technology) factor as another indispensable source of wealth. It can be seen that the source and composition of resources, not only natural resources, but also the social, economic, technological and other factors of human labor, but also human resources, human resources, intelligence (information, knowledge) and other resources.