Psalm 37:29-31

Expanded Bible

³⁰ ·Good people speak with [^LThe mouth of the righteous mutters] wisdom,
    and ·they say what is fair [^Ltheir tongue speaks justice/judgment].
³¹ The ·teachings [instructions; laws] of their God are in their heart [Jer. 31:33],
    so ·they do not fail to keep them [^Ltheir steps do not slip/slide/totter].