1 Corinthians 1:17

For Christ sent me not to immerse, but to preach the good-news, not in wisdom of speech lest the cross of Christ would be emptied.

1 Corinthians 2:1

And I, brothers, when I came to you, came not in eminence of speech or of wisdom proclaiming the testimony of God to you.

1 Corinthians 2:13

Which things also we speak, not in things learned from mankind, in words of wisdom, but in things learned from Spirit, comparing spiritual things with spiritual things.

John 4:2

(although Jesus himself did not immerse, but his disciples),

2 Corinthians 10:10

Because, The letters, he says, are indeed weighty and powerful, but his bodily presence is weak, and his speech is disdained.

Acts 10:48

And he commanded them to be immersed in the name of the Lord. Then they asked him to remain some days.

2 Peter 1:16

For we revealed to you the power and presence of our Lord Jesus Christ, not men who followed in cunningly devised myths, but men who became eyewitnesses of the majesty of that man.

Acts 26:17-18

delivering thee from the people, and from the Gentiles, to whom I send thee,

1 Corinthians 2:4-5

And my speech and my preaching were not in persuasive words of human wisdom, but in demonstration of spirit and of power,

2 Corinthians 4:2

But we have renounced the covert things of shame, not walking in craftiness, nor misrepresenting the word of God, but by the disclosure of the truth, commending ourselves to every conscience of men before God.

2 Corinthians 10:3-4

For though walking in flesh, we do not war according to flesh.

2 Corinthians 11:6

But even if I am unskilled in speech, yet not in knowledge, but in everything made known in all things to you.

Treasury of Scripture Knowledge

Summary

For Christ sent me not to baptize, but to preach the gospel: not with wisdom of words, lest the cross of Christ should be made of none effect.

General references

Bible References

Not to

John 4:2
(although Jesus himself did not immerse, but his disciples),
Acts 10:48
And he commanded them to be immersed in the name of the Lord. Then they asked him to remain some days.
Acts 26:17
delivering thee from the people, and from the Gentiles, to whom I send thee,

Not

1 Corinthians 2:1
And I, brothers, when I came to you, came not in eminence of speech or of wisdom proclaiming the testimony of God to you.
2 Corinthians 4:2
But we have renounced the covert things of shame, not walking in craftiness, nor misrepresenting the word of God, but by the disclosure of the truth, commending ourselves to every conscience of men before God.
2 Corinthians 10:3
For though walking in flesh, we do not war according to flesh.
2 Peter 1:16
For we revealed to you the power and presence of our Lord Jesus Christ, not men who followed in cunningly devised myths, but men who became eyewitnesses of the majesty of that man.

Words

1 Corinthians 2:5
so that your faith would not be in wisdom of men, but in the power of God.

General references

John 4:2
(although Jesus himself did not immerse, but his disciples),