Isaiah 38:2
And Hezekiah, turning his face to the wall, made his prayer to the Lord, saying,
1 Kings 8:30
Give ear to the prayers of your servant, and the prayers of your people Israel, when they make their prayers, turning to this place; give ear in heaven your living-place, and hearing, have mercy.
Psalm 91:15
When his cry comes up to me, I will give him an answer: I will be with him in trouble; I will make him free from danger and give him honour.
Matthew 6:6
But when you make your prayer, go into your private room, and, shutting the door, say a prayer to your Father in secret, and your Father, who sees in secret, will give you your reward.