וְהִנֵּ֣ה ׀ שָׂשׂ֣וֹן וְשִׂמְחָ֗ה הָרֹ֤ג ׀ בָּקָר֙ וְשָׁחֹ֣ט צֹ֔אן אָכֹ֥ל בָּשָׂ֖ר וְשָׁת֣וֹת יָ֑יִן אָכ֣וֹל וְשָׁת֔וֹ כִּ֥י מָחָ֖ר נָמֽוּת׃
And behold joy and gladness, slaying oxen and killing sheep, eating flesh and drinking wine— 'Let us eat and drink, for tomorrow we shall die!’
Read kabbalistic (mystical) interpretation of Isaiah 22:13: and classical mystical sources.