Thematic Bible: Whose sacrifice shall be accepted by the lord

And the foreigners who convert to the Lord, minister to Him, love the Lord's name, and are His servants, all who keep the Sabbath without desecrating it, and who hold firmly to My covenant- I will bring them to My holy mountain and let them rejoice in My house of prayer. Their burnt offerings and sacrifices will be acceptable on My altar, for My house will be called a house of prayer for all nations."

Therefore Jesus also suffered outside the gate, so that He might sanctify the people by His own blood. Let us then go to Him outside the camp, bearing His disgrace. For here we do not have an enduring city; instead, we seek the one to come. read more.
Therefore, through Him let us continually offer up to God a sacrifice of praise, that is, the fruit of our lips that confess His name. Don't neglect to do good and to share, for God is pleased with such sacrifices.

In the course of time Cain presented some of the land's produce as an offering to the Lord. And Abel also presented [an offering]-some of the firstborn of his flock and their fat portions. The Lord had regard for Abel and his offering, but He did not have regard for Cain and his offering. Cain was furious, and he was downcast. read more.
Then the Lord said to Cain, "Why are you furious? And why are you downcast? If you do right, won't you be accepted? But if you do not do right, sin is crouching at the door. Its desire is for you, but you must master it."