2 Samuel 20:18
And she said, "It hath been a common saying in the old time: 'Men must ask of Abel, and then go and finish the work.'
Deuteronomy 20:10-11
When thou comest nigh unto a city to fight against it, offer them 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 thou comest nigh unto a city to fight against it, offer them peace.