Numbers 11:2

Therefore the people came to Moses, and said, We have sinned, for we have spoken against the LORD, and against thee; pray unto the LORD, that he take away the serpents from us. And Moses prayed for the people.

Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.

Then answered Simon, and said, Pray ye to the LORD for me, that none of these things which ye have spoken come upon me.

And said unto Jeremiah the prophet, Let, we beseech thee, our supplication be accepted before thee, and pray for us unto the LORD thy God, even for all this remnant; (for we are left but a few of many, as thine eyes do behold us:)

Then said the LORD unto me, Though Moses and Samuel stood before me, yet my mind could not be toward this people: cast them out of my sight, and let them go forth.

And Zedekiah the king sent Jehucal the son of Shelemiah and Zephaniah the son of Maaseiah the priest to the prophet Jeremiah, saying, Pray now unto the LORD our God for us.

It may be the LORD thy God will hear the words of Rabshakeh, whom the king of Assyria his master hath sent to reproach the living God, and will reprove the words which the LORD thy God hath heard: wherefore lift up thy prayer for the remnant that is left.

For such an high priest became us, who is holy, harmless, undefiled, separate from sinners, and made higher than the heavens;

Therefore he said that he would destroy them, had not Moses his chosen stood before him in the breach, to turn away his wrath, lest he should destroy them.

And he said, If now I have found grace in thy sight, O LORD, let my LORD, I pray thee, go among us; for it is a stiffnecked people; and pardon our iniquity and our sin, and take us for thine inheritance.