וְאִ֨ם־עַד־אֵ֔לֶּה לֹ֥א תִשְׁמְע֖וּ לִ֑י וְיָסַפְתִּי֙ לְיַסְּרָ֣ה אֶתְכֶ֔ם שֶׁ֖בַע עַל־חַטֹּאתֵיכֶֽם׃
And if ye will not yet for these things hearken unto Me, then I will chastise you seven times more for your sins.
Find Mishnaic references to Leviticus 26:18: , passages from the 63 tractates of the Mishnah.