"The land cannot be cleansed of the blood that is shed in it, except in the blood of him that shed it."
לָאָרֶץ לֹא־יְכֻפַּר לַדָּם אֲשֶׁר שֻׁפַּךְ־בָּהּ כִּי־אִם בְּדַם שֹׁפְכוֹ

Nu 35