Dangers of the Time
The eventual subtle infiltration of error through centralized organization has always been a threat to the church–more so than a frontal attack of false doctrine and persecution from without. One of the perils confronting the church of New Testament times was that of doubt and error arising from the false teachings of leaders (II Peter 2:1, Jude 3-4). Have we forgotten what the Lord said about wolves in sheep clothing?
from The Bible Guide