"Now when they saw the boldness of Peter and John, and perceived that they were unlearned and ignorant men, they marvelled; and they took knowledge of them, that they had been with Jesus. But Peter and John answered and said unto them, Whether it be right in the sight of God to hearken unto you more than unto God, you judge. For we cannot but speak the things which we have seen and heard. And with great power gave the apostles witness of the resurrection of the Lord Jesus: and great grace was upon them all."
They were passionate about speaking the Gospel of Jesus.