Standing in the present and looking back in time, both Israelis and Palestinians have very real reasons to kill each other. Standiing in the present and looking forward in time, delusionally, both sides have very real reasons to kill each other - Israelis want Greater Israel, and Palestinians want Old Palestine.
Please stand in the present, and do not look back for murderous reasons to kill each other, do not look forward into murderous delusions to kill each other. Please look forward to the only future that can be peaceful - a two state solution, both sides independent of each other, both sides not murderous, both sides just let it be.
You can do it. For goodness sakes, Ireland did it. So can you.