Don't act in ignorance

Acts 3:17-26
Peter spoke more about Jesus Christ is the promised one from the Lord. God had said this through many prophets, from Moses, Samuel and Abraham. They acted in ignorance as did also their rulers.
Repent therefore, and turn again, that your sins may be blotted out.
God saying to Abraham, 'And in your offspring shall all the families of the earth be blessed.'
Why?
People did not confess they have sins so they won't accept Jesus Christ as their savior.
Jesus coming is the plan of God in the beginning of the earth when Adam has sin.
Repent and turn to Jesus Christ is the important message to every one.
How?
Jesus Christ is the savior to all people, this is the love to us from the Lord. Don't act in ignorance.