The sun shall be turned into darkness, and the moon into blood, before that great and notable day of the Lord come:
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Interpretation
Peter's sermon shows that he was thoroughly recovered from his fall, and thoroughly restored to the Divine favour; for he who had denied Christ, now boldly confessed him. His account of the miraculous pouring forth of the Spirit, was designed to awaken the hearers to embrace the faith of Christ, and to join themselves to his church.