Hamas openly and explicitly says their goal is the destruction of Israel, not return to 1967 borders. But we are supposed to believe your word that if we return to 1967 borders the attacks will stop? The attacks started long before 1967 "occupation", so what makes you think they will stop if "occupation" ends?
Shaffir to Herzog: Opposition failed to show leadership in political battles against PM (Haaretz)
from the article: Hamas military chief Ahmed Jabari killed by Israeli strike