¹³ Wisdom is found on the lips of the discerning,^(A)
    but a rod is for the back of one who has no sense.^(B)

¹⁴ The wise store up knowledge,^(C)
    but the mouth of a fool invites ruin.^(D)

³¹ From the mouth of the righteous comes the fruit of wisdom,^(A)
    but a perverse tongue^(B) will be silenced.

³² The lips of the righteous know what finds favor,^(C)
    but the mouth of the wicked only what is perverse.^(D)