Warnings of Jesus:
Forgive and you will be forgiven!

Watch yourselves. If your brother sins, rebuke him; and if he repents, forgive him. Even if he sins against you seven times in a day, and seven times returns to say, ‘I repent,’ you must forgive him.” Luke 17:3-4

For if you forgive men their trespasses, your heavenly Father will also forgive you. But if you do not forgive men their trespasses, neither will your Father forgive yours. Matthew 6:14-15

But love your enemies, do good to them, and lend to them, expecting nothing in return. Then your reward will be great, and you will be sons of the Most High; for He is kind to the ungrateful and wicked. Be merciful, just as your Father is merciful. Do not judge, and you will not be judged. Do not condemn, and you will not be condemned. Forgive, and you will be forgiven. Give, and it will be given to you. A good measure, pressed down, shaken together, and running over will be poured into your lap. For with the measure you use, it will be measured back to you.” Luke 6:35-38