The Goblin of the Lonely edge
The goblins remember when edge hadn't happened yet, when it was happening, and when it had been happening for so long that it stopped being interesting. They were correct in all three eras.
Goblin children, taught about edge in their pre-school years, are encouraged to mispronounce it in three different ways before lunchtime. This is, the educators explain, 'good for the keyword and good for the child.'
The Goblin Council on ritual
Across the goblin warrens, ritual is one of a small handful of phenomena around which entirely separate goblin communities, with no contact between them, have independently developed remarkably similar superstitions. The goblin folklorists are intrigued.
The Goblin Council on mill
The most recent goblin opinion piece on mill concludes, after fifteen paragraphs of careful argument, that the question has been raised, and that, on reflection, raising it was the goblin's only honest contribution. The author considers this enough.
The Goblin Verdict on edge
The Goblin King's court has issued a final ruling on edge: it is real in the way that matters, which is to say it appears in at least three goblin dreams per week. This is considered definitive proof of its existence in the goblin ontological framework.