“Beware’s” – Beware of:

Hypocrisy

Luke 12:1  

Meanwhile, when a crowd of many thousands had gathered, so that they were trampling on one another, Jesus began to speak first to his disciples, saying: “Be on your guard against the yeast of the Pharisees, which is hypocrisy.

Covetousness

Luke 12:15  

Then he said to them, “Watch out! Be on your guard against all kinds of greed; a man's life does not consist in the abundance of his possessions.”

Scribes

Mark 12:38

As he taught, Jesus said, “Watch out for the teachers of the law. They like to walk around in flowing robes and be greeted in the marketplaces,

Luke 20:46 

“Beware of the teachers of the law. They like to walk around in flowing robes and love to be greeted in the marketplaces and have the most important seats in the synagogues and the places of honor at banquets.

Lest you despise of God and perish

Acts 13:40-41

  

40 Take care that what the prophets have said does not happen to you:

41  “‘Look, you scoffers, wonder and perish, for I am going to do something in your days that you would never believe, even if someone told you.’”

Dogs (false teachers)

Philippians 3:2  

Watch out for those dogs, those men who do evil, those mutilators of the flesh.

Isaiah 56:10  

Israel's watchmen are blind, they all lack knowledge; they are all mute dogs, they cannot bark; they lie around and dream, they love to sleep.