כַּגּוֹיִ֗ם אֲשֶׁ֤ר יְהוָה֙ מַאֲבִ֣יד מִפְּנֵיכֶ֔ם כֵּ֖ן תֹאבֵד֑וּן עֵ֚קֶב לֹ֣א תִשְׁמְע֔וּן בְּק֖וֹל יְהוָ֥ה אֱלֹהֵיכֶֽם׃ (פ)
As the nations that the LORD maketh to perish before you, so shall ye perish; because ye would not hearken unto the voice of the LORD your God.
Find Mishnaic references to Deuteronomy 8:20: , passages from the 63 tractates of the Mishnah.