Wherever it goes, it bears fruit and increases. Then there is the development stage where the now new believer focus on being immerged into a new life, leaving behind the old life, and is becoming a part of the ministry of Jesus Christ.
And that was the passion of Paul's life. I fed you with milk and not with solid food; for until now you were not able to receive it, and even now you are still not able; for you are still carnal. Thus, Jesus called his disciples by saying.
In fact, without Jesus, the exploration would be fruitless as He is the central figure of the redemptive work of God. Why do some hear the gospel but not all? In early days, a Christian may want to see Jesus return for the purpose of getting revenge on the sceptics and enemies of Christ.
Remember, faith comes from hearing the word of the gospel.