וַיֹּ֥אמֶר קַ֖יִן אֶל־יְהוָ֑ה גָּד֥וֹל עֲוֺנִ֖י מִנְּשֹֽׂא׃
And Cain said unto the LORD: ‘My punishment is greater than I can bear.
Targum Jonathan on Genesis
And Kain said before the Lord, More heavy is my rebellion than can be borne (away). Yet is there power before Thee to forgive it.
Targum Jerusalem
And Kain said before the Lord, My sins are greater than can be borne. Nevertheless there is power before Thee to absolve and forgive me.