testify. Greek. marturomai. See Acts 20:26.
henceforth... not. no longer. Greek. meketi.
other. Omit.
Gentiles. the Gentiles. They were Gentiles, but now are members of the church His body. Compare 1 Corinthians 10:32.
vanity. See Romans 8:20.
mind. Compare Romans 1:21.