Matthew 6:7

“And when you pray, do not use meaningless repetition as the Gentiles do, for they think they will be heard because of their many words.

1 Kings 8:26-54

Now, O God of Israel, please let Your word which You have spoken to Your servant David my father be confirmed.

1 Kings 18:26-29

So they took the bull that was given to them and prepared it, and called on the name of Baal from morning until noon, saying, “O Baal, hear and answer us.” But there was no voice and no one answered. And they leaped about the altar which they had made.

Ecclesiastes 5:2-3

Do not be hasty with your mouth [speaking careless words or vows] or impulsive in thought to bring up a matter before God. For God is in heaven and you are on earth; therefore let your words be few.

Ecclesiastes 5:7

For in a multitude of dreams and in a flood of words there is worthlessness. Rather [reverently] fear God [and worship Him with awe-filled respect, knowing who He is].

Matthew 18:17

If he pays no attention to them [refusing to listen and obey], tell it to the church; and if he refuses to listen even to the church, let him be to you as a Gentile (unbeliever) and a tax collector.

Daniel 9:18-19

O my God, incline Your ear and hear; open Your eyes and look at our desolations and the city which is called by Your name; for we are not presenting our supplications before You because of our own merits and righteousness, but because of Your great mercy and compassion.

Matthew 6:32

For the [pagan] Gentiles eagerly seek all these things; [but do not worry,] for your heavenly Father knows that you need them.

Matthew 26:39

And after going a little farther, He fell face down and prayed, saying, “My Father, if it is possible [that is, consistent with Your will], let this cup pass from Me; yet not as I will, but as You will.”

Matthew 26:42

He went away a second time and prayed, saying, “My Father, if this cannot pass away unless I drink it, Your will be done.”

Matthew 26:44

So, leaving them again, He went away and prayed for the third time, saying the same words once more.

Acts 19:34

But when they realized that he was a Jew, a single outcry went up from the crowd as they shouted for about two hours, “Great is Artemis of the Ephesians!”

Treasury of Scripture Knowledge

Summary

But when ye pray, use not vain repetitions, as the heathen do: for they think that they shall be heard for their much speaking.

Bible References

Use

1 Kings 18:26
So they took the bull that was given to them and prepared it, and called on the name of Baal from morning until noon, saying, “O Baal, hear and answer us.” But there was no voice and no one answered. And they leaped about the altar which they had made.
Ecclesiastes 5:2
Do not be hasty with your mouth [speaking careless words or vows] or impulsive in thought to bring up a matter before God. For God is in heaven and you are on earth; therefore let your words be few.
Acts 19:34
But when they realized that he was a Jew, a single outcry went up from the crowd as they shouted for about two hours, “Great is Artemis of the Ephesians!”

Repetitions

Matthew 26:39
And after going a little farther, He fell face down and prayed, saying, “My Father, if it is possible [that is, consistent with Your will], let this cup pass from Me; yet not as I will, but as You will.”
1 Kings 8:26
Now, O God of Israel, please let Your word which You have spoken to Your servant David my father be confirmed.
Daniel 9:18
O my God, incline Your ear and hear; open Your eyes and look at our desolations and the city which is called by Your name; for we are not presenting our supplications before You because of our own merits and righteousness, but because of Your great mercy and compassion.

The heathen

Matthew 6:32
For the [pagan] Gentiles eagerly seek all these things; [but do not worry,] for your heavenly Father knows that you need them.
Matthew 18:17
If he pays no attention to them [refusing to listen and obey], tell it to the church; and if he refuses to listen even to the church, let him be to you as a Gentile (unbeliever) and a tax collector.