Acts 4:31
And while they were praying, the place in which they were assembled was shaken; and they were all filled with the Holy Ghost, and they spake the word of God with boldness.
Matthew 28:2
And, lo! there was a great earthquake; for an angel of the Lord descending from heaven, came and rolled back the stone from the door, and sat upon it.
Acts 16:25-26
But about midnight Paul and Silas, after joining in prayer, sang hymns to God: and the prisoners heard them.
1 Corinthians 13:2
And though I have the gift of prophecy, and know all mysteries, and all manner of science; and though I have all faith, so that I could remove mountains, but have not love, I am nothing.