Paul reported to the Philippians that his being in prison in Rome had actually produced the positive benefit of encouraging more preaching of the gospel. There were, no doubt, some who preached from bad motives, but Paul rejoiced anyway. In fact, he had a reason to rejoice, not only in prison but also in all circumstances, whether positive or negative, in life and even in death.
Even though it was hard for the Hebrew slaves to see it, and hard for us sometimes, God does care.
The LORD uses leaders to deal with threats to the welfare of his people, and he is the God who delivers them.
After God used Philip to save many Samaritans, he sent him to evangelize one who had come from the ends of the Earth.