כִּ֣י אֵ֤ל רַחוּם֙ יְהוָ֣ה אֱלֹהֶ֔יךָ לֹ֥א יַרְפְּךָ֖ וְלֹ֣א יַשְׁחִיתֶ֑ךָ וְלֹ֤א יִשְׁכַּח֙ אֶת־בְּרִ֣ית אֲבֹתֶ֔יךָ אֲשֶׁ֥ר נִשְׁבַּ֖ע לָהֶֽם׃
for the LORD thy God is a merciful God; He will not fail thee, neither destroy thee, nor forget the covenant of thy fathers which He swore unto them.
Find Mishnaic references to Deuteronomy 4:31: , passages from the 63 tractates of the Mishnah.