Exodus 10:29 Kabbalah

וַיֹּ֥אמֶר מֹשֶׁ֖ה כֵּ֣ן דִּבַּ֑רְתָּ לֹא־אֹסִ֥ף ע֖וֹד רְא֥וֹת פָּנֶֽיךָ׃ (פ)

And Moses said: ‘Thou hast spoken well; I will see thy face again no more.’

Read kabbalistic (mystical) interpretation of Exodus 10:29: and classical mystical sources.