II Chronicles 18:26 Midrash

וַאֲמַרְתֶּ֗ם כֹּ֚ה אָמַ֣ר הַמֶּ֔לֶךְ שִׂ֥ימוּ זֶ֖ה בֵּ֣ית הַכֶּ֑לֶא וְהַאֲכִלֻ֜הוּ לֶ֤חֶם לַ֙חַץ֙ וּמַ֣יִם לַ֔חַץ עַ֖ד שׁוּבִ֥י בְשָׁלֽוֹם׃

and say: Thus saith the king: Put this fellow in the prison, and feed him with scant bread and with scant water, until I return in peace.’

Read midrashic interpretation of II Chronicles 18:26: and classical rabbinic exegesis.