מַ֘הֵ֤ר עֲנֵ֨נִי ׀ יְהוָה֮ כָּלְתָ֪ה ר֫וּחִ֥י אַל־תַּסְתֵּ֣ר פָּנֶ֣יךָ מִמֶּ֑נִּי וְ֝נִמְשַׁ֗לְתִּי עִם־יֹ֥רְדֵי בֽוֹר׃
Answer me speedily, O LORD, My spirit faileth; Hide not Thy face from me; Lest I become like them that go down into the pit.
Read midrashic interpretation of Psalms 143:7: and classical rabbinic exegesis.