Mark 13:23

But see that you are on your guard! I have told you all this beforehand.

2 Peter 3:17

Do you, therefore, dear friends, now that you know this beforehand, be on your guard against being led away by the errors of reckless people, and so lapsing from your present steadfastness;

Mark 13:5

Then Jesus began: "See that no one leads you astray.

John 14:29

And this I have told you now before it happens, that, when it does happen, you may still believe in me.

Matthew 7:15

Beware of false Teachers--men who come to you in the guise of sheep, but at heart they are ravenous wolves.

See to yourselves! They will betray you to courts of law; and you will be taken to Synagogues and beaten; and you will be brought up before governors and kings for my sake, that you may bear witness before them.

Mark 13:33

See that you are on the watch; for you do not know when the time will be.

Luke 21:8

And Jesus said: "See that you are not led astray; for many will take my name, and come saying 'I am He,' and 'The time is close at hand.' Do not follow them.

Luke 21:34

Be on your guard lest your minds should ever be dulled by debauches or drunkenness or the anxieties of life, and lest 'That Day' should come suddenly upon you, like a snare.