When David heard in the wilderness that Nabal was shearing his sheep,
1 Samuel 25:4
Surrounding context
25:3 The name of the man was Nabal, and the name of his wife Abigail. And she was a woman of good understanding and beautiful appearance; but the man was harsh and evil in his doings. He was of the house of Caleb.
25:4 When David heard in the wilderness that Nabal was shearing his sheep,
25:5 David sent ten young men; and David said to the young men, "Go up to Carmel, go to Nabal, and greet him in my name.