Jesus prayed that all His followers would be united. We must work to make His prayer a reality.
The Bible is not the only source of God’s revelation of His will to us. We also have Apostolic Tradition and the authority of the Magisterium.
Sheep are humble enough to know they need their shepherd, but we think we can do it on our own.
None of us has reached the summit of holiness but are all still being formed by Christ every day.