◆砂原は三里行けば二里戻る Sunahara wa 3ri yukeba 2ri modoru.
- 解釈：砂地は歩きにくいということ。
- Literal：If it goes a sandy plain 3 "ri" (unit of distance), it will return 2 "ri" (unit of distance).
- Interpretation：Because, it is since it is hard to walk along the sands.
- 類義：砂道歩く如し。