Are all mankind descended from Adam and Eve?
Yes.

For Adam called his wife’s name Eve because she was the mother of all living,
Genesis 3:20

Are we all concerned in our first parent’s disobedience?
Yes.

By one man sin entered into the world,
Romans 5:12

Is our nature tainted with the filth of that sin?
Yes.

For what is man that he should be clean, and he which is born of a woman that he should be righteous,
Job 15:14

Is the guilt of it imputed to us?
Yes.

For by the offence of one judgment came upon all men to condemnation,
Romans 5:18

Are we exposed to the dreadful consequences of it?
Yes.

So death passed upon all men, for that all have sinned,
Romans 5:12

And have we no power of our own to prevent all this?
No.

For whilst we were yet without strength Christ died for us,
Romans 5:6

Was this the case of Adam’s immediate descendants?
Yes.

For he begat a son in his own likeness,
Genesis 5:3

Is it the case of all those who in future ages descend from him?
Yes.

For we have all borne the image of the earthly,
1 Corinthians 15:49

But was it the case of Christ?
No.

He was that holy thing,
Luke 1:35

Was he therefore descended from Adam in a way of ordinary generation?
No.

For his mother was found with child by the Holy Ghost,
Matthew 1:18

Should we be humbled for original sin?
Yes.

Behold I was shapen in iniquity,
Psalm 51:5