Only those who sin will be put to death. Children won't suffer for the sins of their parents, and parents won't suffer for the sins of their children. Good people will be rewarded for what they do, and evil people will be punished for what they do.
But if any of you refuse to celebrate Passover when you are not away on a journey, you will no longer belong to my people. You will be punished because you did not offer sacrifices to me at the proper time.
Christ carried the burden of our sins. He was nailed to the cross, so that we would stop sinning and start living right. By his cuts and bruises you are healed.
They would have been better off if they had never known about the right way. Even after they knew what was right, they turned their backs on the holy commandments that they were given.