171. As plain as two and two make four.
172. As snug as a bug in a rug .
173. As sure as eggs is eggs.
174. As the call, so the echo.
175. As the fool thinks, so the bell clinks.
176. As the old cock crows, so does the young.
177. As the tree falls, so shall it lie.
178. As the tree, so the fruit.
179. As welcome as flowers in May.
180. As welcome as water in one's shoes.