ה֗וֹי חֶ֚רֶב לַֽיהוָ֔ה עַד־אָ֖נָה לֹ֣א תִשְׁקֹ֑טִי הֵאָֽסְפִי֙ אַל־תַּעְרֵ֔ךְ הֵרָגְעִ֖י וָדֹֽמִּי׃
O thou sword of the LORD, how long will it be ere thou be quiet? Put up thyself into thy scabbard, rest, and be still.
Read midrashic interpretation of Jeremiah 47:6: and classical rabbinic exegesis.