GOD'S WORD® Translation
"When you pray, don't ramble like heathens who think they'll be heard if they talk a lot.

American Standard Version
And in praying use not vain repetitions, as the Gentiles do: for they think that they shall be heard for their much speaking.

Berean Study Bible
And when you pray, do not babble on like pagans, for they think that by their many words they will be heard.

Douay-Rheims Bible
And when you are praying, speak not much, as the heathens. For they think that in their much speaking they may be heard.

English Revised Version
And in praying use not vain repetitions, as the Gentiles do: for they think that they shall be heard for their much speaking.

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

World English Bible
In praying, don't use vain repetitions, as the Gentiles do; for they think that they will be heard for their much speaking.

Young's Literal Translation
'And -- praying -- ye may not use vain repetitions like the nations, for they think that in their much speaking they shall be heard,

Matthew 6:7 Additional Translations ...