Arabs take by force, that is the doctrine tracing back to the Prophet himself. What territories Israel captured in wars were never Palestinian, they were Egyptian (Gaza), Jordanian (West Bank) and Syrian (Golan). The Palestinians never had any territory to lose as they were never a "people" until recently.
Woman wounded by stones thrown toward her car near Jerusalem (Haaretz)
from the article: Clinton: U.S. plans new push on Israeli-Palestinian peace