2 Samuel 20:18

Then she said, "In former times, {they would always say}, 'By all means, let them inquire in Abel,' and so they settled things.

Deuteronomy 20:10-11

"When you approach a city to fight against it, {you must offer it peace}.

Treasury of Scripture Knowledge

Summary

Then she spake, saying, They were wont to speak in old time, saying, They shall surely ask counsel at Abel: and so they ended the matter.

They were wont, etc

Bible References

They were wont, etc

Deuteronomy 20:10
"When you approach a city to fight against it, {you must offer it peace}.