Proverbs 6:28 Kabbalah

אִם־יְהַלֵּ֣ךְ אִ֭ישׁ עַל־הַגֶּחָלִ֑ים וְ֝רַגְלָ֗יו לֹ֣א תִכָּוֶֽינָה׃

Or can one walk upon hot coals, And his feet not be scorched?

Read kabbalistic (mystical) interpretation of Proverbs 6:28: and classical mystical sources.