And by their prayer for you, who long after you for the exceeding grace of God in you.
Read Chapter 9
Cornelius a Lapide
AD 1637
And by their prayer for you. The poor Saints of Jerusalem who receive your alms, while praying, for you, will also glorify God. This clause is to he connected with "they glorify God."
Paul praises them because they gave thanks even for things which were given to others, in spite of their own poverty. No one is more envious than the poor, but these people were free of that passion, so much so that they were able to rejoice in the blessings given to others.