King James Version (KJV)
For thy mercy is great unto the heavens, and thy truth unto the clouds.
Modern English
For your steadfast love is great to the heavens, your faithfulness to the clouds.
Hebrew
כִּ֤י גָדֹ֣ל עַד שָׁמַ֣יִם חַסְדֶּ֑ךָ וְ֝עַד שְׁחָקִ֗ים אֲמִתֶּֽךָ׃
kiy gadol ʿad shamayim ḥasdeka vʿad shḥaqiym ʾamiteka