15 A leech has twin daughters named "Gimme" and "Gimme more." Four Insatiables Three things are never satisfied, no, there are four that never say, "That's enough, thank you!" -
18 Three things amaze me, no, four things I'll never understand -
21 Three things are too much for even the earth to bear, yes, four things shake its foundations -
29 There are three solemn dignitaries, four that are impressive in their bearing -