Read 1 Samuel 3
Jesus speaks in Matthew 12 about unforgivable sin. I've heard a lot of different comments on this but to place it in the simplest terms, if someone is worried that they may have committed this then they shouldn't worry. But this isn't exactly the same. Salvation and forgiveness is and has always been by faith in Christ.
Under the Law it was looking forward to the messiah and today it's looking back, but still the same salvation from the same place. God says here that the sins of Eli and his sons will not be atoned by sacrifice or offering. That they are condemned to die. It does not specifically tell us if it's just a physical death or eternal. But what Eli does after Samuel gives him the prophecy is disturbing, he makes no effort to repentance. There are many other cases where God issues a death prophecy to someone who then repents and God allows them to live. Because of the grace given us through Christ, the only sin for which there is no forgiveness is the one for which we don't ask forgiveness.
Today's workout. Step up, squat, grapevine, Y, lunge r, triceps press, lunge l, hamstring curl, jump rope.