To those who defend denominations: Denominations are caused by fear. When we fear confrontation, we run away. When Christians do not confront other Christians in love, they build up a fear that the other is "of the devil" and split off.
So many of us are so afraid of hearing any teaching that we disagree with, that we are willing to start a whole new denomination, just to avoid conflict! We take offense over opinions, and over things that were never made plain in the Scripture. Christ warned against this after the Last Supper, and there is NO DEFENDING THE ACTION OF SPLITTING.
If we can agree with the simple gospel, that "Christ died for our sins, and rose from the dead", then we are brothers and sisters. There is nothing more, but trust in that statement.
Men will add more requirements to salvation, but they need to be corrected, not avoided.
If Christians confidently trusted the "Jesus died for our sins, and rose from the dead" then there would be NO denominations. Because Christ is sufficient, the rest is application. Problem is, very few "Christians" are confident in what they are saved by...