Does the Bible Teach That Every Human Being Has Sinned?

Some people say the bible teaches that mary sinned because it describes her going and offering a purification in accord with the mosaic law. However, this is mary simply being obedient to the law, just as jesus submitted himself to baptism for the sake of all righteousness. The bible does not say that every single human person, without exception, has been conceived an original sin. In fact, the term original sin, like immaculate conception, is not found in the bible or in the church fathers until the time of saint augustine. Yet many protestants believe in this doctrine. Then finally, let's look at the dogma of the perpetual virginity of mary. Obviously