The burning coal taken from the altar with which Isaiah's lips were touched symbolizes the
Answer Details
In the Bible, when Isaiah saw a vision of the Lord seated on His throne, he felt unworthy because he was a man of unclean lips. Then, one of the seraphim flew to him with a live coal in his hand, which he had taken from the altar with tongs. With it, he touched Isaiah's mouth and said his guilt was taken away and his sin atoned for. Therefore, the burning coal symbolizes the cleansing of Isaiah's sins and the atonement of his guilt, making him worthy to speak for God.