בְּעוֹרִ֣י וּ֭בִבְשָׂרִי דָּבְקָ֣ה עַצְמִ֑י וָ֝אֶתְמַלְּטָ֗ה בְּע֣וֹר שִׁנָּֽי׃
My bone cleaveth to my skin and to my flesh, And I am escaped with the skin of my teeth.
Read kabbalistic (mystical) interpretation of Job 19:20: and classical mystical sources.