From this interview:
But as law students, they were taught that the Constitution evolved, right? You got that same message consistently in class, yet you had other ideas.
I am something of a contrarian, I suppose. I feel less comfortable when everybody agrees with me. I say, “I better reexamine my position!” I probably believe that the worst opinions in my court have been unanimous. Because there’s nobody on the other side pointing out all the flaws.
Here is the essential Mill.