Mark 13:23

But you must be on your guard; I have told you all about it beforehand.

2 Peter 3:17

So you, dear friends, now that you are forewarned, must be on your guard against being led away by the errors of unprincipled men and losing your present firmness.

Mark 13:5

And Jesus said to them, "Take care that no one misleads you about this.

John 14:29

And I have told you of it now before it happens, in order that when it happens you may believe in me.

Matthew 7:15

"Beware of the false prophets, who come to you disguised as sheep but are ravenous wolves underneath.

But you must be on your guard; they will hand you over to courts and you will be taken into synagogues and beaten, and you will be brought before governors and kings on my account, to testify to them.

Mark 13:33

You must look out and be on the alert, for you do not know when it will be time;

Luke 21:8

And he said, "Take care not to be misled. For many will come under my name, and say, 'I am he,' and 'The time is at hand.' Do not follow them.

Luke 21:34

But take care that your hearts are not loaded down with self-indulgence and drunkenness and worldly cares, and that day takes you by surprise, like a trap.