2 Samuel 20:18

And she spoke, saying, They spoke often in days gone by, saying, Surely they will ask of Abel, and so they ended the matter.

Deuteronomy 20:10-11

When you come near a city to fight against it, then shout peace to it.

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 come near a city to fight against it, then shout peace to it.