6 Bible Verses about Praying Quietly
Most Relevant Verses
But when you pray, go to a private place and after closing the door, pray to your Father who is in a secret place, and [since] He sees in secret places, He will reward you.
Very early in the morning, [even] before daylight, Jesus woke up, left Simon's house [verse 29] and went out to a deserted place where He prayed.
"Be careful that you do not do your good deeds in front of people for the purpose of being seen by them, for [if you do] you will not have a reward from your Father in heaven.
And in the same way, the Holy Spirit helps [us in] our weakness; for we do not know what we ought to pray for [Note: Some translators understand this as "how to pray"]. But the Holy Spirit goes to God on our behalf with groanings [in our hearts] that are not expressed [in words].

But if there is no interpreter present [at the meeting], the person [i.e., with the ability to speak a language supernaturally] should remain quiet in the assembly. [Note: This implies that the speaker would know before he begins speaking whether or not an interpreter is present]. [In that case], he should speak [only] to himself and to God. [See verse 2].
