'Power' in the Bible

And to you who are troubled, rest with us, when the Lord Jesus comes from heaven with the angels of his power in flames of fire,

For this reason, you are ever in our prayers, that you may seem to our God such as may have a part in his purpose and that by his power he will make all his good purpose, and the work of faith, complete;

Even the one whose coming is marked by the working of Satan, with all power and signs and false wonders,

And for this cause, God will give them up to the power of deceit and they will put their faith in what is false: