Matthew 6:7

"And when ye pray, babble not much, as the heathen do: for they think that they shall be heard, for their much babbling's sake.

1 Kings 8:26-54

Now then, O Lord God of Israel, let thy word be stable which thou spakest unto thy servant David my father.

1 Kings 18:26-29

And they took the ox that was given them and dressed it, and called on the name of Baal from morning to noon saying, "O Baal, hear us!" But there was no voice nor answer. And they leapt about the altar that they had made.

Ecclesiastes 5:2-3

and let not thine heart speak anything rashly before God. For God is in heaven, and thou upon earth, therefore let thy words be few.

Ecclesiastes 5:7

And why? Whereas are many dreams and many words, there are also divers vanities: but look that thou fear God.

Matthew 18:17

If he hear not them, tell it unto the congregation: if he hear not the congregation, take him as a heathen man, and as a publican.

Daniel 9:18-19

O my God, incline thine ear, and hearken; at the least for thine own sake, open thine eyes. Behold how we be desolated: yea, and the city also, which is called after thy name. For we do not cast our prayers before thee in our own righteousnesses, no, but only in thy great mercies.

Matthew 6:32

After all these things seek the gentiles: For your heavenly father knoweth that ye have need of all these things.

Matthew 26:39

And he went away a little apart, and fell flat on his face, and prayed, saying, "O my father, if it possible, let this cup pass from me: nevertheless, not as I will, but as thou wilt."

Matthew 26:42

He went away once more, and prayed, saying, "O my father, if this cup cannot pass away from me, but that I drink of it, thy will be fulfilled."

Matthew 26:44

And he left and went again, and prayed the third time saying the same words.

Acts 19:34

When they knew that he was a Jew, there arose a shout almost for the space of two hours of all men crying, "Great is Diana 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
And they took the ox that was given them and dressed it, and called on the name of Baal from morning to noon saying, "O Baal, hear us!" But there was no voice nor answer. And they leapt about the altar that they had made.
Ecclesiastes 5:2
and let not thine heart speak anything rashly before God. For God is in heaven, and thou upon earth, therefore let thy words be few.
Acts 19:34
When they knew that he was a Jew, there arose a shout almost for the space of two hours of all men crying, "Great is Diana of the Ephesians."

Repetitions

Matthew 26:39
And he went away a little apart, and fell flat on his face, and prayed, saying, "O my father, if it possible, let this cup pass from me: nevertheless, not as I will, but as thou wilt."
1 Kings 8:26
Now then, O Lord God of Israel, let thy word be stable which thou spakest unto thy servant David my father.
Daniel 9:18
O my God, incline thine ear, and hearken; at the least for thine own sake, open thine eyes. Behold how we be desolated: yea, and the city also, which is called after thy name. For we do not cast our prayers before thee in our own righteousnesses, no, but only in thy great mercies.

The heathen

Matthew 6:32
After all these things seek the gentiles: For your heavenly father knoweth that ye have need of all these things.
Matthew 18:17
If he hear not them, tell it unto the congregation: if he hear not the congregation, take him as a heathen man, and as a publican.