"After many days had gone by, the Jews conspired to kill him, but Saul learned of their plan. Day and night they kept close watch on the city gates in order to kill him. But his followers took him by night and lowered him in a basket through an opening in the wall." New International version
Since the Jews could not beat Saul/Paul in debating the scriptures, they decided that they must kill him to shut him up. We are told that they watched the city gates to catch him coming and going so that they could kill him. But, he learned of their plan and escaped the city.
We may be asking ourselves what this has to do with us today and think that stuff like this does not happen anymore. The sad truth is that it happens even more today than it has in the past. You see many people, including well known religious leaders, have distorted the truth for profit and have much to lose by people getting back to the gospel of Jesus Christ. We can take comfort from this passage in the fact that God took care of his servant Saul/Paul and He will take care of us as well.
"When he came to Jerusalem, he tried to join the disciples, but they were all afraid of him, not believing that he really was a disciple." New International Version
Imagine the thoughts going through the disciples heads as Saul, the man who had so severely persecuted the church in Jerusalem, came to join in their fellowship. They judged the state of his heart by his previous actions.
The same is true of the "church" today and also probably in most of us as individual believers. We, as followers of Christ, do not have the right to exclude anyone who wants to follow Jesus from the fellowship. It is God's fellowship and not ours and He knows His sheep. We must trust in Him to protect us and not lean on our own understanding or past experiences.
"But Barnabas took him and brought him to the apostles. He told them how Saul on his journey had seen the Lord and that the Lord had spoken to him, and how in Damascus he had preached fearlessly in the name of Jesus." New International Version
Have people noticed a major difference in your life since you came to know Jesus? This verse is a great example of what should take place when you accept Jesus Christ as your Lord and Savior. Barnabus noticed a major change in Saul/Paul and was able to testify to the apostles of the change that he had seen.