The Wealth of Nations by Part 4 Chapter 7 Page 207

No tribe could know its own members. A rabble of any kind could be introduced into the assemblies of the people, could drive out the real citizens, and decide upon the affairs of the republic as if they themselves had been such. But though America were to send fifty or sixty new representatives to Parliament, the doorkeeper of the House of Commons could not find any great difficulty in distinguishing between who was and who was not a member. Though the Roman constitution, therefore, was necessarily ruined by the union of Rome with the allied states of Italy, there is not the least probability that the British constitution would be hurt by the union of Great Britain with her colonies.

That constitution, on the contrary, would be completed by it, and seems to be imperfect without it. The assembly which deliberates and