Paul told Roman Christians not to take vengeance but leave it to God. What did he say would be the result of treating enemies kindly?

Paul said being kind to your enemies would heap coals of fire on their heads. .

Source: Romans 12:17-20

When a Samaritan village refused hospitality to Jesus his disciples wanted to call fire down on the. What did Jesus say about that?

Jesus would not permit it and rebuked them saying he was here to save lives.

Source: Luke 9:55-56

Were the Jews allowed vengeance against each other, or were they allowed to hold a grudge?

As a rule they were not allowed to seek vengeance or hold

a grudge against fellow Jews.

Source: Leviticus 19:18

What did Moses prophecy about vengeance tot he people of Israel?

God claimed vengeance for himself. He promised to avenge as he saw fit.

Source: Deuteronomy 32:35

One of the early example of God’s view on vengeance is when Cain killed Abel. Cain was worried about being killed in revenge. What did God say about vengeance on Cain?

God would not allow Cain to be killed and promised to avenge his death sevenfold. He put a mark on Cain so that people would know.

Source: Genesis 4:15