1. Matthew 6:12,
12 And forgive us our debts, as we forgive our debtors.
14 For if ye forgive men their trespasses, your heavenly Father will also forgive you:
15 But if ye forgive not men their trespasses, neither will your Father forgive your trespasses.

2. 1st consequence: a spiritual dead-end

3. Ephesians 4: 31-32
31 Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice:
32 And be ye kind one to another, tenderhearted, forgiving one another, even as God for Christ's sake hath forgiven you.
Heb. 12:15
15 Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled;

4. 2nd consequence: an emotional prison

5. Hebrews 12:15
15 Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled;

6. 3rd consequence: relational spill-over

7. Ephesians 4: 26 – 27
26 Be ye angry, and sin not: let not the sun go down upon your wrath:
27 Neither give place to the devil.

8. 4th consequence: displaced anger . . .poison