Samson said to them, If you do after this manner, surely I will be avenged of you, and after that I will cease.
He already of course paid the dowry and everything else and so he said, "You know her beautiful, young sister, why don't you take her?" But Samson was sort of a hothead. He didn't appreciate the fact that his father-in-law giving his bride away. And so he decided to get even with the Philistines because they were the ones who sort of set the whole thing up anyhow; getting the secret out of his bride and they ruined this whole escapade.