6 Bible Verses about Praying Quietly
Most Relevant Verses
But, when one of you prays, let him go into his own room, shut the door, and pray to his Father who dwells in secret; and his Father, who sees what is secret, will recompense him.
In the morning, long before daylight, Jesus rose and went out, and, going to a lonely spot, there began to pray.
Take care not to perform your religious duties in public in order to be seen by others; if you do, your Father who is in Heaven has no reward for you.
So, also, the Spirit supports us in our weakness. We do not even know how to pray as we should; but the Spirit himself pleads for us in sighs that can find no utterance.

If there is no one able to interpret what is said, they should remain silent at the meeting of the Church, and speak to themselves and to God.