לֹא־תָח֥וֹס עֵֽינְךָ֖ עָלָ֑יו וּבִֽעַרְתָּ֧ דַֽם־הַנָּקִ֛י מִיִּשְׂרָאֵ֖ל וְט֥וֹב לָֽךְ׃ (ס)
你的眼不可顧惜他，要從以色列中除掉流無辜人之血的罪，這樣你就可以得福。
Mishneh Torah, Negative Mitzvot
Not to spare a pursuer, but he is to be slain before he reaches the pursued and slays the latter, or uncovers his nakedness, as it is said, “…. then, thou shalt cut off her hand; thine eye shall not pity her” (Deut. 25:12).