Denominationalism is something Jesus prayed would not happen. The Bible predicted that it will happen and warns against it. In the first century, there was only One church. Over the years, Satan has divided religions into the numerous sects we have today.
||[Jesus prayed] Holy Father, keep through
Your name those whom You have given Me, that they may
be one as We are.
||[Jesus prayed] I do not pray for these
alone, but also for those who will believe in Me through their
word; that they all may be one, as You,
Father, are in Me, and I in You; that they also may be
one in Us , that the world may believe that You sent Me.
|1 Corinthians 1:10
I plead with you, brethren, by the name of our Lord Jesus
Christ, that you all speak the same thing, and that
there be no divisions among you, but that you be perfectly
joined together in the same mind and in the same
||For I know this, that after my departure savage wolves will come in among you, not sparing the flock. Also from among yourselves men will rise up, speaking perverse things, to draw away the disciples after themselves. Therefore watch , and remember, that for three years I did not cease to warn everyone night and day with tears.
|2 Timothy 4:3,4
the time will come when they will not endure sound
doctrine, but according to their own desires, because they
have itching ears, they will heap up for themselves
teachers; and they will turn their ears away from the
truth, and be turned aside to fables.
|1 Timothy 4:1,2
the Spirit expressly says that in latter times some
will depart from the faith, giving heed to deceiving spirits and doctrines of demons, speaking lies in hypocrisy, having their own conscience seared with a hot iron,
in vain they worship Me, Teaching as doctrines the
commandments of men.
||There is one body and
one Spirit, just as you were called in
one hope of your calling; one Lord,
one faith, one baptism; one God
and Father of all, who is above all, and through all, and in you all.
I urge you, brethren, note those who cause divisions
and offenses, contrary to the doctrine which you learned, and