King James Version (KJV)
The law of his God is in his heart; none of his steps shall slide.
Modern English
The law of his God is in his heart; his steps do not slip.
Hebrew
תּ֘וֹרַ֤ת אֱלֹהָ֣יו בְּלִבּ֑וֹ לֹ֖א תִמְעַ֣ד אֲשֻׁרָֽיו׃
tvorat ʾelohayv blibvo loʾ timʿad ʾashurayv