The first and most important rule of legitimate or popular government, that is to say, of government whose object is the good of the people, is therefore, as I have observed, to follow in everything the general will. But to follow this will it is necessary to know it, and above all to distinguish it from the particular will, beginning with one's self: this distinction is always very difficult to make, and only the most sublime virtue can afford sufficient illumination for it.
Would you please help me to understand what the portion in boldface means?
And, to continue, is the following a question?
As, in order to will, it is necessary to be free, a difficulty no less great than the former arises