Acts 20:29

For I know this, that, after my departure, rapacious wolves will enter in among you, who will not spare the flock;

Matthew 7:15

But beware of false prophets, who come to you in sheep's clothing, but within are ravenous wolves.

John 10:12

But he that is a hireling, and not the shepherd, to whom the sheep do not belong, sees the wolf coming, and leaves the sheep, and flees; and the wolf catches the sheep, and scatters them.

Acts 20:28

Therefore, take heed to yourselves, and to all the flock over which the Holy Spirit has made you overseers, that you be shepherds to the church of God, which he has purchased with his own blood.

Matthew 10:16

Behold, I send you forth as sheep in the midst of wolves: be, therefore, wise as serpents, and guileless as doves.

Luke 10:3

Go; behold, I send you as lambs in the midst of wolves.

2 Peter 2:1

But there were false prophets among the people, as there will be false teachers also among you; and these will stealthily introduce ruinous sects, and deny the Lord that bought them, bringing upon themselves swift destruction:

Treasury of Scripture Knowledge

Summary

For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock.

General references

Bible References

Wolves

Matthew 7:15
But beware of false prophets, who come to you in sheep's clothing, but within are ravenous wolves.
Matthew 10:16
Behold, I send you forth as sheep in the midst of wolves: be, therefore, wise as serpents, and guileless as doves.
Luke 10:3
Go; behold, I send you as lambs in the midst of wolves.
John 10:12
But he that is a hireling, and not the shepherd, to whom the sheep do not belong, sees the wolf coming, and leaves the sheep, and flees; and the wolf catches the sheep, and scatters them.
2 Peter 2:1
But there were false prophets among the people, as there will be false teachers also among you; and these will stealthily introduce ruinous sects, and deny the Lord that bought them, bringing upon themselves swift destruction:

General references

Philippians 1:24
yet to abide in the flesh is more needful for you.