2 Kings 20:2
Then he turned his face to the wall, and prayed to the LORD, saying,
1 Kings 8:30
And hearken thou to the supplication of thy servant, and of thy people Israel, when they shall pray towards this place: and hear thou in heaven thy dwelling-place: and when thou hearest, forgive.
Psalm 50:15
And call upon me in the day of trouble: I will deliver thee, and thou shalt glorify me.
Isaiah 38:2-3
Then Hezekiah turned his face towards the wall, and prayed to the LORD,
Matthew 6:6
But thou, when thou prayest, enter into thy closet, and when thou hast shut thy door, pray to thy Father who is in secret, and thy Father who seeth in secret, will reward thee openly.