Isaiah 40:3 Kabbalah

ק֣וֹל קוֹרֵ֔א בַּמִּדְבָּ֕ר פַּנּ֖וּ דֶּ֣רֶךְ יְהוָ֑ה יַשְּׁרוּ֙ בָּעֲרָבָ֔ה מְסִלָּ֖ה לֵאלֹהֵֽינוּ׃

Hark! one calleth: ‘Clear ye in the wilderness the way of the LORD, make plain in the desert a highway for our God.

Read kabbalistic (mystical) interpretation of Isaiah 40:3: and classical mystical sources.