It has been said that the underlying reasoning that Scalia used was --and I'm not making this up-- a secret paper from the federalist papers that he had acquired...
That being said, he was a megalomaniac, who was far more than a political hack, he was a true believer... not just in the politics, but in his own calling, backed up by said secret text from the federalist society.
And not only that... he was a supposed textualist, except for when he and he alone knew more about the text than anyone else and so it was okay for he and his secret text needed to govern from the bench because he knew best...
I mean, his pathological knots of logic were enough to tie his own fat ass up for his sex fetishist practices, but he alone knew when he was ordained by God and the founding fathers when to use the bench for his own activism...
Man, our Supreme Court has been just one of the shittiest parts of our history...