Much of the Israeli’s violent fanaticism against the Palestinians draws its inspiration from the Bible. From Jeffrey Sachs at unz.com:

The Israeli government argues that it is in a mortal fight for survival against Hamas, and therefore must take every measure, including the very destruction of Gaza, to survive. This is false.
When Congress returns in January, President Joe Biden will push the case to deepen American complicity in Israel’s war in Gaza through another US armaments package for Israel. Americans should raise their voice in a resounding no.
An arms package for Israel is not only against America’s interests but also against Israel’s interests. The only path to real security for Israel is peace with Palestine. The US can help bring this about by ending the supply of munitions for Israel’s brutal war and by promoting the two-state solution as called for by international law.
I spelled out the diplomatic path to the two-state solution in a previous column for Common Dreams. That path remains open. It is actively promoted by the Arab and Islamic countries and supported by nearly the entire world.
If Israel ends the genocide, it will end the global opposition it now faces.
Israel’s brutality in Gaza is becoming a true threat to Israel’s survival. Because of Israel’s extraordinary violence, the world is uniting against Israel, while Israel is suffering massive military losses. Incredibly, some Israeli leaders are now openly advocating an even wider war in the Middle East, one that could well spell utter disaster for Israel.
The surging global opposition to Israel’s policies is not antisemitic. It is anti-genocide. It is also pro-peace, pro-Israel, and pro-Palestine. If Israel ends the genocide, it will end the global opposition it now faces.
Defeating Hamas is not Israel’s real aim in Gaza
The Israeli government argues that it is in a mortal fight for survival against Hamas, and therefore must take every measure, including the very destruction of Gaza, to survive. This is false. There is no ethical, practical, legal or geopolitical case for destroying Gaza—killing tens of thousands of civilians, and uprooting 2 million people—to protect Israel against the kinds of preventable and controllable threats that Hamas actually poses.