The descendants of Levi who accept the priesthood have a commandment in the Law to collect a tenth from the people, that is, from their own brothers, even though they are also descendants of Abraham.

By faith Abel offered to God a better sacrifice than Cain did, and by faith he was declared to be righteous, since God himself accepted his offerings. And by faith he continues to speak, even though he is dead.

For the Lord disciplines the one he loves, and he punishes every son he accepts."