In the third aliyah Yitzchak becomes extremely wealthy and great in the land of the Philistines, and they ask him to leave. He moves a distance away, and again digs some of the wells that his father Avrohom had dug, but since then the Philistines had filled with earth. His servants dig new wells but the Philistines fight with them over these wells also. He finally moves somewhat further and finds peace.