For ten years Dory Manor lived in Paris and wrote poetry in Hebrew. Early on in his stay in France he debated trying to shift into French, but soon realized that poetry—as opposed to other sorts of writing—was an art he could perform only in his mother tongue, Hebrew. This is not surprising: as opposed to authors and playwrights, very few modern poets have written in an acquired language. Even poets who were immigrants and exiles generally clung to their mother tongues. The German-language poet, Paul Celan, took it a step further and asserted that, “Only in the mother tongue can one speak...