The Israeli army's chief rabbinate gave soldiers preparing to enter the Gaza Strip a booklet implying that all Palestinians are their mortal enemies and advising them that cruelty is sometimes a "good attribute".

The booklet, entitled Go Fight My Fight: A Daily Study Table for the Soldier and Commander in a Time of War, was published especially for Operation Cast Lead, the devastating three-week campaign launched with the stated aim of ending rocket fire against southern Israel. The publication draws on the teachings of Rabbi Shlomo Aviner, head of the Jewish fundamentalist Ateret Cohanim seminary in Jerusalem.

In one section, Rabbi Aviner compares Palestinians to the Philistines, a people depicted in the Bible as a war-like menace and existential threat to Israel.

Download the new Independent Premium app Sharing the full story, not just the headlines

In another, the army rabbinate appears to be encouraging soldiers to disregard the international laws of war aimed at protecting civilians, according to Breaking the Silence, the group of Israeli ex-soldiers who disclosed its existence. The booklet cites the renowned medieval Jewish sage Maimonides as saying that "one must not be enticed by the folly of the Gentiles who have mercy for the cruel".

Breaking the Silence is calling for the firing of the chief military rabbi, Brigadier-General Avi Ronzki, over the booklet. The army had no comment on the matter yesterday.

Rabbi Arik Ascherman, the executive director of the Rabbis for Human Rights group, called the booklet "very worrisome", adding "[this is] a minority position in Judaism that doesn't understand the ... necessity of distinguishing between combatants and civilians."