כִּ֤י ט֣וֹב קִ֭וִּיתִי וַיָּ֣בֹא רָ֑ע וַֽאֲיַחֲלָ֥ה לְ֝א֗וֹר וַיָּ֥בֹא אֹֽפֶל׃
Yet, when I looked for good, there came evil; And when I waited for light, there came darkness.
Read Kabbalistic (mystical) interpretations of Job 30:26: Zohar and classical Jewish mystical sources, free online.