23 Keep your heart with all diligence,
For out of it spring the issues of life.
Proverbs 4:23

9 “The heart is deceitful above all things,
And [a]desperately wicked;
Who can know it?
Jeremiah 17:9

5 For You, Lord, are good, and ready to forgive,
And abundant in mercy to all those who call upon You.
Psalms 86:5

9 In this manner, therefore, pray:Our Father in heaven,
Hallowed be Your name.
10 Your kingdom come.
Your will be done
On earth as it is in heaven.
11 Give us this day our daily bread.
12 And forgive us our debts,
As we forgive our debtors.
13 And do not lead us into temptation,
But deliver us from the evil one.
[a]For Yours is the kingdom and the power and the glory forever. Amen.
14 “For if you forgive men their trespasses, your heavenly Father will also forgive you. 15 But if you do not forgive men their trespasses, neither will your Father forgive your trespasses.
Matthew 6:9-15

21 Then Peter came to Him and said, “Lord, how often shall my brother sin against me, and I forgive him? Up to seven times?”22 Jesus said to him, “I do not say to you, up to seven times, but up to seventy times seven.
Matthew 18:21-22

26 But Jesus looked at them and said to them, “With men this is impossible, but with God all things are possible.”
Matthew 19:26