Christians can get caught up in this nonsense and I am sure Jonah had the experiences that backed up his contempt.
Jonah's desire for Nineveh's destruction was rooted in the justice he wanted to mete out.
Satan makes a mockery of forgiveness this way. He repays evil for evil and so does man. Every act of repaying evil for evil...
On the other hand, God is rich in mercy, and instructs His children to repay evil with good (See Romans 12:21). This de-escalates hostilities. Christ did this on the cross...
Jonah was chastened for his disobedience and...
An unforgiving person will never show mercy or grace. They will demand that you jump through...