1 Samuel 7:8, 9
and said to Samuel, "Do not stop crying out to the LORD our God for us, so that He will deliver us from the hand of the Philistines." . . .

2 Samuel 7:18-29
Then King David went in, sat before the LORD, and said, "Who am I, O Lord GOD, and what is my house, that You have brought me this far? . . .

2 Kings 19:15-19
And Hezekiah prayed before the LORD: "O LORD, God of Israel, enthroned between the cherubim, You alone are God over all the kingdoms of the earth. You made the heavens and the earth. . . .

2 Chronicles 14:11
Then Asa cried out to the LORD his God: "O LORD, there is no one besides You to help the powerless against the mighty. Help us, O LORD our God, for we rely on You, and in Your name we have come against this multitude. O LORD, You are our God. Do not let a mere mortal prevail against You."

2 Chronicles 20:6-12
and said, "O LORD, God of our fathers, are You not the God who is in heaven, and do You not rule over all the kingdoms of the nations? Power and might are in Your hand, and no one can stand against You. . . .

Daniel 9:3, 4
So I turned my attention to the Lord God to seek Him by prayer and petition, with fasting, sackcloth, and ashes. . . .

Philippians 4:6, 7
Be anxious for nothing, but in everything, by prayer and petition, with thanksgiving, present your requests to God. . . .

James 5:13
Is any one of you suffering? He should pray. Is anyone cheerful? He should sing praises.