Now, watch! The hand of the Lord is on you, and you will be blind, [so blind that you will be] unable to see the sun for a time.” Immediately a mist and darkness fell upon him, and he groped around, seeking people to lead him by the hand.

Christianity is a display of power. God has given us sufficient power as His sons to subdue and rule over the devil. It is left for us true believers to come to this underst!anding and exercise our God-given power. Paul knew this having being set apart by God that was why he stood up to Elymas.