Matthew 6:6

But you, whenever you pray, go into your own room and shut the door: then pray to your Father who is in secret, and your Father--He who sees in secret--will recompense you.

Matthew 6:18

that it may not be apparent to men that you are fasting, but to your Father who is in secret; and your Father--He who sees in secret--will recompense you.

Matthew 26:36-39

Then Jesus came with them to a place called Gethsemane. And He said to the disciples, "Sit down here, whilst I go yonder and there pray."

Acts 9:40

Peter, however, putting every one out of the room, knelt down and prayed, and then turning to the body, he said, "Tabitha, rise." Dorcas at once opened her eyes, and seeing Peter, sat up.

Matthew 14:23

When He had done this, He climbed the hill to pray in solitude. Night came on, and he was there alone.

John 1:48

"How do you know me?" Nathanael asked. "Before Philip called you," said Jesus, "when you were under the fig-tree I saw you."

John 20:17

"Do not cling to me," said Jesus, "for I have not yet ascended to the Father. But take this message to my brethren: 'I am ascending to my Father and your Father, to my God and your God.'"

Acts 10:9

The next day, while they were still on their journey and were getting near the town, about noon Peter went up on the house-top to pray.

Acts 10:30

"Just at this hour, three days ago," replied Cornelius, "I was offering afternoon prayer in my house, when suddenly a man in shining raiment stood in front of me,

Romans 8:5

For if men are controlled by their earthly natures, they give their minds to earthly things. If they are controlled by their spiritual natures, they give their minds to spiritual things.

Ephesians 3:14

For this reason, on bended knee I beseech the Father,

Matthew 6:4

that your charities may be in secret; and then your Father--He who sees in secret--will recompense you.

Treasury of Scripture Knowledge

Summary

But thou, when thou prayest, enter into thy closet, and when thou hast shut thy door, pray to thy Father which is in secret; and thy Father which seeth in secret shall reward thee openly.

General references

Bible References

Enter

Matthew 14:23
When He had done this, He climbed the hill to pray in solitude. Night came on, and he was there alone.
Matthew 26:36
Then Jesus came with them to a place called Gethsemane. And He said to the disciples, "Sit down here, whilst I go yonder and there pray."
John 1:48
"How do you know me?" Nathanael asked. "Before Philip called you," said Jesus, "when you were under the fig-tree I saw you."
Acts 9:40
Peter, however, putting every one out of the room, knelt down and prayed, and then turning to the body, he said, "Tabitha, rise." Dorcas at once opened her eyes, and seeing Peter, sat up.
Acts 10:9
The next day, while they were still on their journey and were getting near the town, about noon Peter went up on the house-top to pray.

Pray

John 20:17
"Do not cling to me," said Jesus, "for I have not yet ascended to the Father. But take this message to my brethren: 'I am ascending to my Father and your Father, to my God and your God.'"
Romans 8:5
For if men are controlled by their earthly natures, they give their minds to earthly things. If they are controlled by their spiritual natures, they give their minds to spiritual things.
Ephesians 3:14
For this reason, on bended knee I beseech the Father,

General references

Mark 6:46
He then bade the people farewell, and went away up the hill to pray.