May the nations be glad and sing for joy, for you rule the peoples with equity and guide the nations of the earth.
NIV
O let the nations be glad and sing for joy, for You will judge the peoples fairly and guide, lead, or drive the nations upon earth. Selah [pause, and calmly think of that]!
AMP
O let the nations be glad and sing for joy: for thou shalt judge the people righteously, and govern the nations upon earth. Selah.
KJV
Let them sing before the LORD, for he comes to judge the earth. He will judge the world in righteousness and the peoples with equity.
NIV
Before the Lord, for He is coming to judge [and rule] the earth; with righteousness will He judge [and rule] the world, and the peoples with equity.
AMP
Before the LORD; for he cometh to judge the earth: with righteousness shall he judge the world, and the people with equity.
KJV
My servants will sing out of the joy of their hearts, but you will cry out from anguish of heart and wail in brokenness of spirit.
NIV
Behold, My servants shall sing for joy of heart, but you shall cry out for pain and sorrow of heart and shall wail and howl for anguish, vexation, and breaking of spirit.
AMP
Behold, my servants shall sing for joy of heart, but ye shall cry for sorrow of heart, and shall howl for vexation of spirit.
KJV