Verses about 'demonstrating gods power'
Psalms 135:7
He causeth the vapours to ascend from the ends of the earth; he maketh lightnings for the rain.
Mark 16:17
And these signs shall follow them that believe; In my name shall they cast out devils.
Isaiah 40:12
Who hath measured the waters in the hollow of his hand, and meted out heaven with the span.
Luke 4:36
And they were all amazed, and spake among themselves, saying, What a word is this! For with authority and power he commandeth the unclean spirits.