Why are the branches that are in Christ broken off and burned?
John 15:1-2 "I am the true vine, and my Father is the husbandman.
[SUP]2 [/SUP]Every branch in me that beareth not fruit he taketh away: and every branch that beareth fruit, he purgeth it, that it may bring forth more fruit."
We see the reason why in the branches of the natural olive tree that were taken away in Romans 11:19-21
[SUP]19 [/SUP]Thou wilt say then, The branches were broken off, that I might be grafted in.
[SUP]20 [/SUP]Well; because of unbelief they were broken off, and thou standest by faith. Be not highminded, but fear:
[SUP]21 [/SUP]For if God spared not the natural branches, take heed lest he also spare not thee."
So by not abiding in the Word and faith will result in a person being cut off from the vine (or tree). Just as Jesus said in John 15:6 "If a man abide not in me, he is cast forth as a branch, and is withered; and men gather them, and cast them into the fire, and they are burned."