Cross reference
Deuteronomy 15:16
16 And it shall be, if he say unto thee, I will not go out from thee; because he loveth thee and thy house, because he is well with thee;
Exodus 21:5-6
5 But if the servant shall plainly say, I love my master, my wife, and my children; I will not go out free:
6 then his master shall bring him unto God, and shall bring him to the door, or unto the door-post; and his master shall bore his ear through with an awl; and he shall serve him for ever.
Psalms 40:6
6 Sacrifice and offering thou hast no delight in; Mine ears hast thou opened: Burnt-offering and sin-offering hast thou not required.
Psalms 40:8
8 I delight to do thy will, O my God; Yea, thy law is within my heart.