Yet [on the other hand], to remain in my body is more necessary for your sakes.

So, being convinced of this, I know I will remain [in my body] and continue with all of you for your spiritual progress and joy in the faith,

So, [whatever happens], live your daily lives in such a way as to be worthy of the Gospel of Christ, so that, whether I come and see you or remain absent from you, I will hear about you, that you are standing firm in one spirit [i.e., united in purpose, and] contending with one mind for the faith of the Gospel [i.e., for the body of Christian teaching].