The altar is not the table or pulpit up front or the offering bag, the altar is your heart, and before the sacrifice means
anything and is acceptable, the altar must be clean.
1 Kings 18:30 Then Elijah said to all the people, Come here to me. They came to him, and he repaired the altar of the Lord, which had been torn down.
What is the condition of your altar this morning, is there unconfessed sin, or do you have a divided heart?