King James Version (KJV)
Verily I have cleansed my heart in vain, and washed my hands in innocency.
Modern English
All in vain have I kept my heart clean and washed my hands in innocence.
Hebrew
אַ֭ךְ רִיק זִכִּ֣יתִי לְבָבִ֑י וָ֝אֶרְחַ֗ץ בְּנִקָּי֥וֹן כַּפָּֽי׃
ʾak riyq zikiytiy lbabiy vaʾerḥaṣ bniqayvon kapay