Psalms 135:19-20

19 O house of Israel, bless the Lord! O house of Aaron, bless the Lord!
20 O house of Levi, bless the Lord! You that fear the Lord, bless the Lord!
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.