'In Sin' in the Bible

“Now, therefore, fear the Lord and serve Him in sincerity and truth; and put away the gods which your fathers served beyond the River and in Egypt, and serve the Lord.

Chenaniah, chief of the Levites, was in charge of the singing; he gave instruction in singing because he was skillful.

Their number who were trained in singing to the Lord, with their relatives, all who were skillful, was 288.

Behold, I was brought forth in iniquity,And in sin my mother conceived me.

They answered him, “You were born entirely in sins, and are you teaching us?” So they put him out.

What shall we say then? Are we to continue in sin so that grace may increase?

Those who continue in sin, rebuke in the presence of all, so that the rest also will be fearful of sinning.