The one soul of Israel who is lost is as if the whole world were lost.
See: "Every lost soul of Israel, it is written upon him as if the whole world had been lost."
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Translation
Expression (Hebrew)
הַמְאַבֵּד נֶפֶשׁ אַחַת מִיִּשְׂרָאֵל כְּאִילוֹ אִיבֵּד עוֹלָם מָלֵא
Definition (Hebrew)
רְאֵה: "כָּל הַמְאַבֵּד נֶפֶשׁ אַחַת מִיִּשְׂרָאֵל מַעֲלֶה עָלָיו הַכָּתוּב כְּאִלּוּ אִבֵּד עוֹלָם מָלֵא".
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