King James Version (KJV)
My heart is fixed, O God, my heart is fixed: I will sing and give praise.
Modern English
My heart is steadfast, O God, my heart is steadfast! I will sing and make melody!
Hebrew
נָכ֣וֹן לִ֭בִּי אֱלֹהִ֑ים נָכ֣וֹן לִבִּ֑י אָשִׁ֥ירָה וַאֲזַמֵּֽרָה׃
nakvon libiy ʾelohiym nakvon libiy ʾashiyrah vaʾazamerah