1 Corinthians 2:4

and my speech and my preaching [were] not with the persuasiveness of wisdom, but with a demonstration of the Spirit and power,

Romans 15:19

by the power of signs and wonders, by the power of the Spirit, so that from Jerusalem and [traveling] around as far as Illyricum I have fully proclaimed the gospel of Christ.

1 Corinthians 4:20

For the kingdom of God [is] not with talk, but with power.

1 Corinthians 1:17

For Christ did not send me to baptize, but to proclaim the gospel, not with {clever speech}, lest the cross of Christ be emptied.

1 Corinthians 2:1

And I, [when I] came to you, brothers, did not come with superiority of speech or of wisdom, proclaiming to you the testimony of God.

1 Corinthians 2:13

[things] which we also speak, not in words taught by human wisdom, but in [words] taught by the Spirit, explaining spiritual [things] to spiritual [people].

1 Thessalonians 1:5

because our gospel did not come to you with word only, but also with power and with the Holy Spirit and with much certainty, just as you know what sort of [people] we became among you for your sake.

2 Peter 1:16

For we did not make known to you the power and coming of our Lord Jesus Christ [by] following ingeniously concocted myths, but [by] being eyewitnesses of that one's majesty.

Judges 14:15

When it was the fourth day, they said to Samson's wife, "Entice your husband and tell us the riddle, or we will burn you and your father's house with fire. Have you invited us to rob us?"

Judges 16:5

And the rulers of [the] Philistines came up to her and said, "Entice him and find out what makes his strength so great, and how we can overpower him, so that we may bind him up in order to subdue him; each of us will give you eleven hundred pieces of silver.

2 Samuel 14:17-20

Your servant also thought, 'May the word of my lord the king {bring rest}, for as an angel of God, so [is] my lord the king, {to sense what is good and what is bad}.' May Yahweh your God be with you."

2 Samuel 15:2-6

Absalom used to rise early in the morning, and he stood {beside} the road [at] the gate; {anyone} who had a legal dispute to bring to the king for judgment Absalom would call to him and say, "{Where are you from?}" And he would say, "Your servant [is] from one of the tribes of Israel."

1 Kings 22:13-14

Then the messenger who had gone to summon Micaiah said to him, "Please now, the words of the prophet are {unanimously} favorable to the king. Please let your words be as one word with them, and speak favorably."

2 Chronicles 18:19-21

And Yahweh said, 'Who will entice Ahab the king of Israel that he would go up and fall at Ramoth-Gilead?' And one said this, and another said that.

Proverbs 7:21

She persuades him with the greatness of her teachings; with her smooth lips she compels him.

Proverbs 20:19

He reveals a secret, he who walks [about with] gossip, and do not associate with a babbler's lips.

Jeremiah 20:10

For I hear the rumor of many, "Terror [is] from all around, denounce [him], yes, let us denounce him!" {All my close friends} [are] watchers of my stumbling, [saying], "perhaps he can be persuaded, and we can prevail over him, and we can take our revenge on him."

Ezekiel 13:6

They saw falseness and {a lying divination}, the ones saying, 'Declaration of Yahweh!' and Yahweh did not send them, and they wait {for the confirmation of their word}.

Ezekiel 13:10-11

Because, yes, because they led my people astray, {saying} 'Peace!' And [there is] not peace. And [when] anyone builds a flimsy wall, look, they coat it [with] whitewash.

John 16:8-15

And [when he] comes, he will convict the world concerning sin and concerning righteousness and concerning judgment:

Acts 20:27

for I did not shrink from proclaiming to you the whole purpose of God.

Acts 26:28

But Agrippa [said] to Paul, "In a short time are you persuading me to become a Christian?"

Romans 16:18

For such people do not serve our Lord Christ, but their own stomach, and by smooth speech and flattery they deceive the hearts of the unsuspecting.

Galatians 1:10

For am I now making an appeal to people or [to] God? Or am I seeking to please people? If I were still trying to please people, I would not be a slave of Christ.

Colossians 2:4

I say this in order that no one will deceive you with persuasive speech,

1 Peter 1:12

to whom it was revealed that they were serving not themselves but you with reference to the same [things] which now have been announced to you through those who proclaimed the gospel to you by the Holy Spirit sent from heaven, {things into which} angels desire to look.

2 Peter 2:18

{For by speaking high-sounding but empty words}, they entice with desires of the flesh [and] with licentiousness those who are scarcely escaping from those who live in error,

Treasury of Scripture Knowledge

Summary

And my speech and my preaching was not with enticing words of man's wisdom, but in demonstration of the Spirit and of power:

My speech

General references

Bible References

My speech

Acts 20:27
for I did not shrink from proclaiming to you the whole purpose of God.

General references

Luke 4:32
And they were astounded at his teaching, because {he spoke} with authority.
1 Corinthians 4:20
For the kingdom of God [is] not with talk, but with power.