If the thief on the cross went to heaven the day that he was crucified, He would he have gone there without Jesus Christ, who was not in Paradise that day!
The words in Ezekiel's Millennial vision seem to say that the Passover should be observed for seven days. However, this contradicts other clear scriptures.
After making the covenant with God, how does a person avoid backsliding? The answer lies in seeking God, which involves much more than commonly thought.