God has made Himself known, so all people are without excuse, and we all walk in disobedience. But the good news is that He has given us Jesus to redeem us.
“In your seed all the nations of the earth shall be blessed, because you have obeyed My voice.” (Genesis 22:18). God keeps His promises. As Acts unfolds we learn precisely how this promise is fulfilled.
After Pentecost it was time for the apostles to take the Gospel beyond Judea into Samaria, and eventually into the ends of the earth. Now that the disciples had seen the risen Lord and received power through the Holy Spirit, they couldn't stop from sharing the Good News.
There can be good and bad motivations for sharing the Gospel. As ambassadors of Christ we need to ensure that we have biblical motivations for proclaiming the Good News.