Psalms 139:4 Kabbalah

כִּ֤י אֵ֣ין מִ֭לָּה בִּלְשׁוֹנִ֑י הֵ֥ן יְ֝הוָ֗ה יָדַ֥עְתָּ כֻלָּֽהּ׃

For there is not a word in my tongue, But, lo, O LORD, Thou knowest it altogether.

Read kabbalistic (mystical) interpretation of Psalms 139:4: and classical mystical sources.