II Kings 1:4 Midrash

וְלָכֵן֙ כֹּֽה־אָמַ֣ר יְהוָ֔ה הַמִּטָּ֞ה אֲשֶׁר־עָלִ֥יתָ שָּׁ֛ם לֹֽא־תֵרֵ֥ד מִמֶּ֖נָּה כִּ֣י מ֣וֹת תָּמ֑וּת וַיֵּ֖לֶךְ אֵלִיָּֽה׃

Now therefore thus saith the LORD: Thou shalt not come down from the bed whither thou art gone up, but shalt surely die.’ And Elijah departed.

Read midrashic interpretation of II Kings 1:4: and classical rabbinic exegesis.