Second we must leave our sins on the alter and beg forgiveness of them.
Not according to Scripture. I John 1:9, “If we confess our sins, He is faithful and righteous to forgive us our sins and to cleanse us from all unrighteousness.”
There is no begging here.
Neither was there begging by the forgiven malefactor on the cross: Luke 23:42-43: “42 And he was saying, “Jesus, remember me when You come in Your kingdom!” 43 And He said to him, “Truly I say to you, today you shall be with Me in Paradise.”
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What you say doesn’t work. It is true what you say but The Lord had not been to Heaven to see His Father when He spoke to Mary at the Tomb on Easter Morning. There must be a resting place between Heaven and Hell that Christ called Paradise. Where ever they were it wasn’t in Heaven since Christ hadn’t been there yet.