Friends, please consider that this examination of Stephen was orchestrated by God for a great purpose and had God's blessing and participation spiritually.
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For example, please continue to read in Chpt. 7:1-60 and especially verses 55-60.
Stephen was apparently filled with God's spirit the whole time as God gave him the words to speak.
55 But Stephen, full of the Holy Spirit, looked up to heaven and saw the glory of God, and Jesus standing at the right hand of God. 56 “Look,” he said, “I see heaven open and the Son of Man standing at the right hand of God.”
57 At this they covered their ears and, yelling at the top of their voices, they all rushed at him, 58 dragged him out of the city and began to stone him. Meanwhile, the witnesses laid their coats at the feet of a young man named Saul.
59 While they were stoning him, Stephen prayed, “Lord Jesus, receive my spirit.” 60 Then he fell on his knees and cried out, “Lord, do not hold this sin against them.” When he had said this, he fell asleep.