For the kingdom of God is not in word, but in power.
1 Corinthians 1:24
But unto them which are called, both Jews and Greeks, Christ the power of God, and the wisdom of God.
1 Corinthians 2:4
And my speech and my preaching was not with enticing words of man's wisdom, but in demonstration of the Spirit and of power:
For I am not ashamed of the gospel of Christ: for it is the power of God unto salvation to every one that believeth; to the Jew first, and also to the Greek.
For the kingdom of God is not meat and drink; but righteousness, and peace, and joy in the Holy Ghost.
Through mighty signs and wonders, by the power of the Spirit of God; so that from Jerusalem, and round about unto Illyricum, I have fully preached the gospel of Christ.
2 Corinthians 10:4
For the weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds;)
2 Corinthians 10:5
Casting down imaginations, and every high thing that exalteth itself against the knowledge of God, and bringing into captivity every thought to the obedience of Christ;
1 Thessalonians 1:5
For our gospel came not unto you in word only, but also in power, and in the Holy Ghost, and in much assurance; as ye know what manner of men we were among you for your sake.