It's not that there are no masters, but that there are many. And the job of the solicitor general is to balance those masters and to accommodate them all, each in their proper places, wisely and well and in so doing to represent the people of the United States.
The system is the work of art; the visual work of art is the proof of the System. The visual aspect can't be understood without understanding the system. It isn't what it looks like but what it is that is of basic importance.
He who loveth a book will never want a faithful friend, a wholesome counsellor, a cheerful companion, or an effectual comforter.