After proclaiming the Message in Derbe and establishing a strong core of disciples, they retraced their steps to Lystra, then Iconium, and then Antioch, putting muscle and sinew in the lives of the disciples, urging them to stick with what they had begun to believe and not quit, making it clear to them that it wouldn’t be easy: “Anyone signing up for the kingdom of God has to go through plenty of hard times.”
Acts 14:21-22

From the days of John the Baptist until now, the Kingdom of Heaven has been forcefully advancing and forceful people lay hold of it!