KJV : The law <08451> of his God <0430> [is] in his heart <03820>; none of his steps <0838> shall slide <04571> (8799). {steps: or, goings}
NASB : The law of his God is in his heart; His steps do not slip.
NASB# : The law<8451> of his God<430> is in his heart<3820>; His steps<804> do not slip<4571>.