'Gospel's' in the Bible

For whoever wishes to save his life [in this world] will [eventually] lose it [through death], but whoever loses his life [in this world] for My sake and the gospel’s will save it [from the consequences of sin and separation from God].

Jesus said, “I assure you and most solemnly say to you, there is no one who has given up a house or brothers or sisters or mother or father or children or farms, for My sake and for the gospel’s sake,

I would have chosen to keep him with me, so that he might minister to me on your behalf during my imprisonment for the gospel;