1 Samuel 15:22
"And Samuel said, Hath the LORD as great delight in burnt offerings and sacrifices, as in obeying the voice of the LORD? Behold, to obey is better than sacrifice, and to hearken than the fat of rams."
Cross References (ranked by relevance)
For I desired mercy, and not sacrifice; and the knowledge of God more than burnt offerings.
To do justice and judgment is more acceptable to the LORD than sacrifice.
And to love him with all the heart, and with all the understanding, and with all the soul, and with all the strength, and to love his neighbour as himself, is more than all whole burnt offerings and sacrifices.
But go ye and learn what that meaneth, I will have mercy, and not sacrifice: for I am not come to call the righteous, but sinners to repentance.
Keep thy foot when thou goest to the house of God, and be more ready to hear, than to give the sacrifice of fools: for they consider not that they do evil.
But if ye had known what this meaneth, I will have mercy, and not sacrifice, ye would not have condemned the guiltless.
Woe unto you, scribes and Pharisees, hypocrites! for ye pay tithe of mint and anise and cummin, and have omitted the weightier matters of the law, judgment, mercy, and faith: these ought ye to have done, and not to leave the other undone.
Leave there thy gift before the altar, and go thy way; first be reconciled to thy brother, and then come and offer thy gift.
Therefore now amend your ways and your doings, and obey the voice of the LORD your God; and the LORD will repent him of the evil that he hath pronounced against you.
Now therefore, if ye will obey my voice indeed, and keep my covenant, then ye shall be a peculiar treasure unto me above all people: for all the earth is mine:
For I earnestly protested unto your fathers in the day that I brought them up out of the land of Egypt, even unto this day, rising early and protesting, saying, Obey my voice.
Which I commanded your fathers in the day that I brought them forth out of the land of Egypt, from the iron furnace, saying, Obey my voice, and do them, according to all which I command you: so shall ye be my people, and I will be your God: