לִמְד֥וּ הֵיטֵ֛ב דִּרְשׁ֥וּ מִשְׁפָּ֖ט אַשְּׁר֣וּ חָמ֑וֹץ שִׁפְט֣וּ יָת֔וֹם רִ֖יבוּ אַלְמָנָֽה׃ (ס)
Learn to do well; Seek justice, relieve the oppressed, Judge the fatherless, plead for the widow.
Find Mishnaic references to Isaiah 1:17: , passages from the 63 tractates of the Mishnah.