6:4 impossible. This passage (Hebrews 6:4-6) has been very controversial, the argument having to do with whether or not it teaches that a true Christian can lose his salvation. One very clear teaching that emerges, however, is that a person can only be saved once. If a true Christian actually could fall away and be lost again, he would be eternally lost; it would be impossible to bring him again to repentance.
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