God does not exist—religion in science is an absurdity, in practice an immorality and in men a disease. …All of this was uttered by Mussolini while in power as a fascist. Not a bit of difference between communism and fascism is what is evident here.
— Mussolini, 1924
Fascism establishes the real equality of individuals before the nation… the object of the regime in the economic field is to ensure higher social justice for the whole of the Italian people… What does social justice mean? It means work guaranteed, fair wages, decent homes; it means the possibility of continuous evolution and improvement. Nor is this enough. It means that the workers must enter more and more intimately into the productive process and share its necessary discipline… As the past century was the century of capitalist power, the twentieth century is the century of power and glory of labor.
— Mussolini, 1935
When the war is over, in the world’s social revolution that will be followed by a more equitable distribution of the earth’s riches, due account must be kept of the sacrifices and of the discipline maintained by the Italian workers. The Fascist revolution will make another decisive step to shorten social distances. …
— Mussolini, 1941
The difference is mostly in how they implemented it.