Psalms 38:18 Midrash

כִּֽי־אֲ֭נִי לְצֶ֣לַע נָכ֑וֹן וּמַכְאוֹבִ֖י נֶגְדִּ֣י תָמִֽיד׃

For I am ready to halt, and my pain is continually before me.

Read midrashic interpretation of Psalms 38:18: and classical rabbinic exegesis.