Judaism

Why three is better than two in Jewish thinking

Rabbi Elli Tikvah Sarah challenges the ‘tyranny’ of binary divisions on gender, Israel and other topics in a new book

March 13, 2026 11:51
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Challenging assumptions: Rabbi Elli Tikvah Sarah
4 min read

In a divided world, binary thinking has come to seem like a bad habit, reinforcing stark contrasts rather than grappling with nuance and complexity. It is a habit of mind that is vigorously contested in a new book from the emeritus rabbi of Brighton and Hove Progressive Synagogue, Elli Tikvah Sarah, Breaking Binaries, which is published later this month.

From a young age we might have grown up with the idea that Judaism is built on dualities, between heaven and Earth or sacred and profane, for example. But Rabbi Sarah suggests there can be an alternative way of looking at things, supported by close reading of our religious texts.

The book focuses on threes in Jewish tradition: three pilgrim festivals, for instance, or the synagogue’s threefold functions as house of assembly, prayer and study, or relationships of three in the Bible such as Miriam, Aaron and Moses, or in rabbinic mottos such as the world standing on three pillars – justice, truth and peace. Rather than rigid divisions between twos, it is the interplay among threes that Rabbi Sarah finds fruitful.

In the triangle of God-Torah-Israel, the book says, “Torah becomes the eternal meeting place between God and Israel” – where fresh insights emerge through the process of reading and studying it. The Magen David symbolises a world view where two mishnaic sayings of three, one encapsulating our particular Jewish responsibilities in Rabbi Sarah’s eyes, the other our universalistic ones, interlock to form “the star of Jewish thought and practice”.

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