If I had to choose between admitting Im one or death, as others have done, I hope I would choose death.
God obviously did not intend for every one to go around trying to preach the gospel, most of us are better at planting corn than preaching Christ.
If we do unto others as we would like them do unto us we are making a better statement than we could ever make in words.
Against denying to be one, rather. He died for us, we should be willing to die for him.