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?
Syrian group says Nusra abducts its leader, in blow to U.S. plan (Reuters)
from the article: Hamas military chief Ahmed Jabari killed by Israeli strike