כִּ֤י כָל֪וּ בְיָג֡וֹן חַיַּי֮ וּשְׁנוֹתַ֪י בַּאֲנָ֫חָ֥ה כָּשַׁ֣ל בַּעֲוֺנִ֣י כֹחִ֑י וַעֲצָמַ֥י עָשֵֽׁשׁוּ׃
For my life is spent in sorrow, and my years in sighing; My strength faileth because of mine iniquity, and my bones are wasted away.
Read kabbalistic (mystical) interpretation of Psalms 31:11: and classical mystical sources.