Psalms 39:1 Kabbalah

לַמְנַצֵּ֥חַ לידיתון [לִֽידוּת֗וּן] מִזְמ֥וֹר לְדָוִֽד׃

For the Leader, for Jeduthun. A Psalm of David.

Read kabbalistic (mystical) interpretation of Psalms 39:1: and classical mystical sources.