א֣וֹ נוֹדַ֗ע כִּ֠י שׁ֣וֹר נַגָּ֥ח הוּא֙ מִתְּמ֣וֹל שִׁלְשֹׁ֔ם וְלֹ֥א יִשְׁמְרֶ֖נּוּ בְּעָלָ֑יו שַׁלֵּ֨ם יְשַׁלֵּ֥ם שׁוֹר֙ תַּ֣חַת הַשּׁ֔וֹר וְהַמֵּ֖ת יִֽהְיֶה־לּֽוֹ׃ (ס)
Or if it be known that the ox was wont to gore in time past, and its owner hath not kept it in; he shall surely pay ox for ox, and the dead beast shall be his own.
Read Kabbalistic (mystical) interpretations of Exodus 21:36: Zohar and classical Jewish mystical sources, free online.