וְגֹנֵ֨ב אִ֧ישׁ וּמְכָר֛וֹ וְנִמְצָ֥א בְיָד֖וֹ מ֥וֹת יוּמָֽת׃ (ס)
And he that stealeth a man, and selleth him, or if he be found in his hand, he shall surely be put to death.
Read Jewish philosophy on Exodus 21:16: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.