וְרָאוּ֙ כָּל־בָּשָׂ֔ר כִּ֛י אֲנִ֥י יְהוָ֖ה בִּֽעַרְתִּ֑יהָ לֹ֖א תִּכְבֶּֽה׃
And all flesh shall see that I the LORD have kindled it; it shall not be quenched.’
Read Jewish philosophical commentary on Ezekiel 21:4: and classical philosophical sources.