'Obedience' in the Bible

“What are your multiplied sacrifices to Me [without your repentance]?”Says the Lord.“I have had enough of [your] burnt offerings of ramsAnd the fat of well-fed cattle [without your obedience];And I take no pleasure in the blood of bulls or lambs or goats [offered without repentance].

The people who do this will be blessed, the people who commit themselves to obedience, who observe the Sabbath and do not defile it, who refrain from doing anything that is wrong.

“Also the foreigners who join themselves to the Lord,To minister to Him, and to love the name of the Lord,To be His servants, everyone who keeps the Sabbath without profaning itAnd holds fast to My covenant [by conscientious obedience];