וְאִם־אָמֹ֤ר יֹאמַר֙ הָעֶ֔בֶד אָהַ֙בְתִּי֙ אֶת־אֲדֹנִ֔י אֶת־אִשְׁתִּ֖י וְאֶת־בָּנָ֑י לֹ֥א אֵצֵ֖א חָפְשִֽׁי׃
But if the servant shall plainly say: I love my master, my wife, and my children; I will not go out free;
Read Jewish philosophy on Exodus 21:5: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.