2 Kings 20:2
And he turned his face to the wall, and prayed to Jehovah saying,
1 Kings 8:30
And hearken unto the supplication of thy servant, and of thy people Israel, when they shall pray toward this place, and hear thou in thy dwelling-place, in the heavens, 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
And Hezekiah turned his face to the wall, and prayed to Jehovah,
Matthew 6:6
But thou, when thou prayest, enter into thy chamber, and having shut thy door, pray to thy Father who is in secret, and thy Father who sees in secret will render it to thee.