Bitterness
Sometimes it takes More Than Time to help us get rid of the bitterness that has built up in our lives. You will find God ready to help you find the peace you are looking for if you will ask Him.
Some NKJV in green and KJV in blue Bible references you might like to look at:
Isaiah 38:17
17 Indeed it was for my own peace
That I had great bitterness;
But You have lovingly delivered my soul from the pit of corruption,
For You have cast all my sins behind Your back.
17 Behold, for peace I had great bitterness: but thou hast in love to my soul delivered it from the pit of corruption: for thou hast cast all my sins behind thy back.
Ephesians 4:31
31 Let all bitterness, wrath, anger, clamor, and evil speaking be put away from you, with all malice.
31 Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice:
Hebrews 12:15
15 looking carefully lest anyone fall short of the grace of God; lest any root of bitterness springing up cause trouble, and by this many become defiled;
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;
James 3:14
14 But if you have bitter envy and self-seeking in your hearts, do not boast and lie against the truth.
14 But if ye have bitter envying and strife in your hearts, glory not, and lie not against the truth.