Thematic Bible: David takes refuge at

David fled that day from Saul's presence and went to King Achish of Gath. But Achish's servants said to him, "Isn't this David, the king of the land? Don't they sing about him during their dances: Saul has killed his thousands, but David his tens of thousands?" David took this to heart and became very afraid of King Achish of Gath, read more.
so he pretended to be insane in their presence. He acted like a madman around them,scribbling on the doors of the gate and letting saliva run down his beard. "Look! You can see the man is crazy," Achish said to his servants. "Why did you bring him to me? Do I have such a shortage of crazy people that you brought this one to act crazy around me? Is this one going to come into my house?"

So David set out with his 600 men and went to Achish son of Maoch, the king of Gath. David and his men stayed with Achish in Gath. Each man had his family with him, and David had his two wives: Ahinoam of Jezreel and Abigail of Carmel, Nabal's widow. When it was reported to Saul that David had fled to Gath, he no longer searched for him. read more.
Now David said to Achish, "If I have found favor with you, let me be given a place in one of the outlying towns, so I can live there. Why should your servant live in the royal city with you?" That day Achish gave Ziklag to him, and it still belongs to the kings of Judah today. The time that David stayed in the Philistine territory amounted to a year and four months.