Thematic Bible: Whose sacrifice shall be accepted by the lord

Also the foreigners who join themselves to the Lord to minister to Him and to love the name of the Lord and to be His servants, everyone who keeps the Sabbath so as not to profane it and who holds fast My covenant [by conscientious obedience] -- " All these I will bring to My holy mountain and make them joyful in My house of prayer. Their burnt offerings and their sacrifices will be accepted on My altar; for My house will be called a house of prayer for all peoples.

Therefore Jesus also suffered and died outside the [city's] gate in order that He might purify and consecrate the people through [the shedding of] His own blood and set them apart as holy [for God]. Let us then go forth [from all that would prevent us] to Him outside the camp [at Calvary], bearing the contempt and abuse and shame with Him. For here we have no permanent city, but we are looking for the one which is to come. read more.
Through Him, therefore, let us constantly and at all times offer up to God a sacrifice of praise, which is the fruit of lips that thankfully acknowledge and confess and glorify His name. Do not forget or neglect to do kindness and good, to be generous and distribute and contribute to the needy [of the church as embodiment and proof of fellowship], for such sacrifices are pleasing to God.

And in the course of time Cain brought to the Lord an offering of the fruit of the ground. And Abel brought of the firstborn of his flock and of the fat portions. And the Lord had respect and regard for Abel and for his offering, But for Cain and his offering He had no respect or regard. So Cain was exceedingly angry and indignant, and he looked sad and depressed. read more.
And the Lord said to Cain, Why are you angry? And why do you look sad and depressed and dejected? If you do well, will you not be accepted? And if you do not do well, sin crouches at your door; its desire is for you, but you must master it.