500 B
500 B
that you are standing firm in one spirit, with one mind striving together for the faith of the gospel
The phrases "standing firm in one spirit" and "with one mind striving together" share similar meanings and emphasize the importance of unity.
with one mind striving together
"agreeing with one another and working hard together"
for the faith of the gospel
Possible meanings are 1) "to spread the faith that is based on the gospel" or 2) "to believe and live as the gospel teaches us"