אֽוֹ־מָצָ֧א אֲבֵדָ֛ה וְכִ֥חֶשׁ בָּ֖הּ וְנִשְׁבַּ֣ע עַל־שָׁ֑קֶר עַל־אַחַ֗ת מִכֹּ֛ל אֲשֶׁר־יַעֲשֶׂ֥ה הָאָדָ֖ם לַחֲטֹ֥א בָהֵֽנָּה׃
Mishnah Shevuot
And they are liable for intentional transgression of the oath, and for its unintentional transgression coupled with intentional [denial of knowledge of] testimony, but they are not liable for unintentional transgression. And what are they liable for the intentional transgression of the oath? A sliding scale sacrifice.