וְכִֽי־יַכֶּה֩ אִ֨ישׁ אֶת־עַבְדּ֜וֹ א֤וֹ אֶת־אֲמָתוֹ֙ בַּשֵּׁ֔בֶט וּמֵ֖ת תַּ֣חַת יָד֑וֹ נָקֹ֖ם יִנָּקֵֽם׃
And if a man smite his bondman, or his bondwoman, with a rod, and he die under his hand, he shall surely be punished.
Read kabbalistic (mystical) interpretation of Exodus 21:20: and classical mystical sources.