NET
9 For how can we thank God enough for you, for all the joy we feel because of you before our God?
Darby
9 For what thanksgiving can we render to God for you, for all the joy wherewith we rejoice on account of you before our God,
KJV
9 For what thanks can we render to God again for you, for all the joy wherewith we joy for your sakes before our God;