I know this quote has been here for a while already and I know it doesn't work for defaultor so I'm just gonna speculate that these quotes work for a certain skin or what not. Here's a list of any aquatic-themed champion or skin that might trigger these quotes:
If those doesn't work, maybe a pirate-themed champion or skin will:
Let me know if any of these work. I'd do it myself but I don't have a Thresh.