Stop the blocade of Gaza.
In other words, allow those bent on the destruction of Israel to acquire weapons with which to attack Israel and freely move them to locations where they can be used to attack Israel. Before this latest outbreak of violence, Israel had been convinced to ease the restrictions on importing cement into Gaza because of "shortages" of cement for building there. It turns out that the reason there was a shortage of cement in Gaza was because Hamas was using most of it to build tunnels into Israel with the intention of launching surprise attacks into areas of Israel that did not have defenses. In the tunnels, which ended near several Israeli civilian communities, they found weapons, ropes, blindfolds and knockout drugs. So, you are saying that Israel should allow Hamas a free hand to import those goods they need in order to attack Israel.
Israel has tried to move toward what you are proposing. They have offered to negotiate a Palestinian state. However, those representing the Palestinians have always stated that they would start negotiating when Israel concedes to all of their demands (in other words, concede to all of our current demands as a starting point to negotiate towards satisfying whatever demands we think up later).