Proverbs 30:15; Proverbs 30:18; Proverbs 30:21; Proverbs 30:29

15 The leech has two suckers that cry out, “More, more!” There are three things that are never satisfied— no, four that never say, “Enough!”:
18 There are three things that amaze me— no, four things that I don’t understand:
21 There are three things that make the earth tremble— no, four it cannot endure:
29 There are three things that walk with stately stride— no, four that strut about: