2 Chronicles 7:14
and if My people who are called by My name humble themselves and pray and seek My face and turn from their wicked ways, then I will hear from heaven, forgive their sin, and heal their land.

Daniel 9:4-19
And I prayed to the LORD my God and confessed, “O, Lord, the great and awesome God, who keeps His covenant of loving devotion to those who love Him and keep His commandments, / we have sinned and done wrong. We have acted wickedly and rebelled. We have turned away from Your commandments and ordinances. / We have not listened to Your servants the prophets, who spoke in Your name to our kings, leaders, fathers, and all the people of the land. ...

Psalm 51:3-4
For I know my transgressions, and my sin is always before me. / Against You, You only, have I sinned and done what is evil in Your sight, so that You may be proved right when You speak and blameless when You judge.

Nehemiah 1:6-7
let Your eyes be open and Your ears attentive to hear the prayer that I, Your servant, now pray before You day and night for Your servants, the Israelites. I confess the sins that we Israelites have committed against You. Both I and my father’s house have sinned. / We have behaved corruptly against You and have not kept the commandments, statutes, and ordinances that You gave Your servant Moses.

1 John 1:9
If we confess our sins, He is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.

Leviticus 26:40-42
But if they will confess their iniquity and that of their fathers in the unfaithfulness that they practiced against Me, by which they have also walked in hostility toward Me— / and I acted with hostility toward them and brought them into the land of their enemies—and if their uncircumcised hearts will be humbled and they will make amends for their iniquity, / then I will remember My covenant with Jacob and My covenant with Isaac and My covenant with Abraham, and I will remember the land.

Ezra 9:6-15
and said: “O my God, I am ashamed and embarrassed to lift up my face to You, my God, because our iniquities are higher than our heads, and our guilt has reached the heavens. / From the days of our fathers to this day, our guilt has been great. Because of our iniquities, we and our kings and priests have been delivered into the hands of the kings of the earth and subjected to the sword and to captivity, to pillage and humiliation, as we are this day. / But now, for a brief moment, grace has come from the LORD our God to preserve for us a remnant and to give us a stake in His holy place. Even in our bondage, our God has given us new life and light to our eyes. ...

Psalm 32:5
Then I acknowledged my sin to You and did not hide my iniquity. I said, “I will confess my transgressions to the LORD,” and You forgave the guilt of my sin. Selah

1 Kings 8:47-50
and when they come to their senses in the land to which they were taken, and they repent and plead with You in the land of their captors, saying, ‘We have sinned and done wrong; we have acted wickedly,’ / and when they return to You with all their heart and soul in the land of the enemies who took them captive, and when they pray to You in the direction of the land that You gave to their fathers, the city You have chosen, and the house I have built for Your Name, / then may You hear from heaven, Your dwelling place, their prayer and petition, and may You uphold their cause. ...

Romans 3:23
for all have sinned and fall short of the glory of God,

Isaiah 64:5-9
You welcome those who gladly do right, who remember Your ways. Surely You were angry, for we sinned. How can we be saved if we remain in our sins? / Each of us has become like something unclean, and all our righteous acts are like filthy rags; we all wither like a leaf, and our iniquities carry us away like the wind. / No one calls on Your name or strives to take hold of You. For You have hidden Your face from us and delivered us into the hand of our iniquity. ...

Luke 18:13
But the tax collector stood at a distance, unwilling even to lift up his eyes to heaven. Instead, he beat his breast and said, ‘God, have mercy on me, a sinner!’

Hosea 5:15
Then I will return to My place until they admit their guilt and seek My face; in their affliction they will earnestly seek Me.”

2 Corinthians 7:10
Godly sorrow brings repentance that leads to salvation without regret, but worldly sorrow brings death.

Job 42:6
Therefore I despise myself, and I repent in dust and ashes.”