"It is appointed unto man once to die and then to face Judgment" - Hebrews 9: 27
I corrected the chapter and verse above.
Gal. 1: 8 - As we have said before, so now I say again, if anyone preaches any other gospel to you than what you have received, let him be accursed.
The two-tier salvation (one with the new covenant "for the forgiveness of sins' and one without it) was unknown in Christianity until Russell taught it.