Good News Translation
Whoever wants to keep the Law must learn what the Law means. If you fear the Lord in every sense of the term, you will have wisdom.

New Revised Standard Version
Whoever keeps the law controls his thoughts, and the fulfillment of the fear of the Lord is wisdom.

Contemporary English Version
Fear the Lord in every way, and you will become wise; Control your thoughts, and you can obey his Law.

New American Bible
Those who keep the Law control their thoughts; perfect fear of the Lord is wisdom.

Douay-Rheims Bible
The way of sinners is made plain with stones, and in their end is hell, and darkness, and pains.

The way of sinners is made plain with stones, and in their end is hell, and darkness, and pains.

Sirach 21:9
He that buildeth his house at other men's charges, is as he that gathereth himself stones to build in the winter.

Sirach 21:10
The congregation of sinners is like tow heaped together, and the end of them is a flame of fire.

Sirach 21:12
He that keepeth justice shall get the understanding thereof.

Sirach 21:13
The perfection of the fear of God is wisdom and understanding.