Psalms 56:7 Kabbalah

יָג֤וּרוּ ׀ יצפינו [יִצְפּ֗וֹנוּ] הֵ֭מָּה עֲקֵבַ֣י יִשְׁמֹ֑רוּ כַּ֝אֲשֶׁ֗ר קִוּ֥וּ נַפְשִֽׁי׃

They gather themselves together, they hide themselves, They mark my steps; According as they have waited for my soul.

Read kabbalistic (mystical) interpretation of Psalms 56:7: and classical mystical sources.