"Insert quote here."A predefined message. Sometimes, there just isn't a quote to give an accurate description of a trope. And sometimes, lines of lines of text just won't cut it. You know there's tons of examples for the trope Then They Came, but you simply can't think of one at all! So you instead of a real quote, can do the following.
Hello, Unknown Troper. You'll need to get known to lend a hand here.