[Quester]

When one has accepted the Son, one would have no part in bating and killing the prophets of God.

Also, when one has accepted the Son, one is led into all truth by the Holy Spirit (over the course of a lifetime).

If Joseph is a prophet of God, one day we will know.

If Joseph is not a prophet of God, we will know that as well.

[Grig]

I agree, but there is no need to passivly wait for 'one day'. You can start to read the BoM and pray to God about it today. Leaving it for 'one day' isn't wise IMHO.