2 Samuel 11:25
"Then David said unto the messenger, Thus shalt thou say unto Joab, Let not this thing displease thee, for the sword devoureth one as well as another: make thy battle more strong against the city, and overthrow it: and encourage thou him."
Cross References (ranked by relevance)
2 Samuel 12:26
And Joab fought against Rabbah of the children of Ammon, and took the royal city.
1 Samuel 6:9
And see, if it goeth up by the way of his own coast to Bethshemesh, then he hath done us this great evil: but if not, then we shall know that it is not his hand that smote us: it was a chance that happened to us.