King James Version (KJV)
For I have said, Mercy shall be built up for ever: thy faithfulness shalt thou establish in the very heavens.
Modern English
For I said: Steadfast love will be built up forever; in the heavens you will establish your faithfulness.
Hebrew
כִּ֤י אָמַ֗רְתִּי עוֹלָ֣ם חֶ֭סֶד יִבָּנֶ֑ה שָׁמַ֓יִם ׀ תָּ֘כִ֤ין אֱמוּנָתְךָ֥ בָהֶֽם׃
kiy ʾamartiy ʿvolam ḥesed yibaneh shamayim ׀ takiyn ʾemvnatka bahem