Sirach 21:10-12

New Revised Standard Version Catholic Edition

¹⁰ The way of sinners is paved with smooth stones,
    but at its end is the pit of Hades.

¹¹ Whoever keeps the law controls his thoughts,
    and the fulfillment of the fear of the Lord is wisdom.
¹² The one who is not clever cannot be taught,
    but there is a cleverness that increases bitterness.