1 Kings 18:42

And it came to pass in those days, that he went out into a mountain to pray, and continued all night in prayer to God.

And it came to pass, that, when Abraham’s servant heard their words, he worshipped the LORD, bowing himself to the earth.

And Joshua rent his clothes, and fell to the earth upon his face before the ark of the LORD until the eventide, he and the elders of Israel, and put dust upon their heads.

And said, O my God, I am ashamed and blush to lift up my face to thee, my God: for our iniquities are increased over our head, and our trespass is grown up unto the heavens.

And it was so, when Elijah heard it, that he wrapped his face in his mantle, and went out, and stood in the entering in of the cave. And, behold, there came a voice unto him, and said, What doest thou...

And when he had sent the multitudes away, he went up into a mountain apart to pray: and when the evening was come, he was there alone.

David therefore besought God for the child; and David fasted, and went in, and lay all night upon the earth.

And I set my face unto the Lord God, to seek by prayer and supplications, with fasting, and sackcloth, and ashes:

God is greatly to be feared in the assembly of the saints, and to be had in reverence of all them that are about him.

And he went forward a little, and fell on the ground, and prayed that, if it were possible, the hour might pass from him.

O LORD, righteousness belongeth unto thee, but unto us confusion of faces, as at this day; to the men of Judah, and to the inhabitants of Jerusalem, and unto all Israel, that are near, and that are fa...

On the morrow, as they went on their journey, and drew nigh unto the city, Peter went up upon the housetop to pray about the sixth hour:

Then Hezekiah turned his face toward the wall, and prayed unto the LORD,

Above it stood the seraphims: each one had six wings; with twain he covered his face, and with twain he covered his feet, and with twain he did fly.