Mark 13:23
But as for yourselves, be on your guard: I have forewarned you of everything.
2 Peter 3:17
You, therefore, dear friends, having been warned beforehand, must continually be on your guard so as not to be led astray by the false teaching of immoral men nor fall from your own stedfastness.
Mark 13:5
So Jesus began to say to them: "Take care that no one misleads you.
John 14:29
I have now told you before it comes to pass, that when it has come to pass you may believe.
Matthew 7:15
"Beware of the false teachers--men who come to you in sheep's fleeces, but beneath that disguise they are ravenous wolves.
Mark 13:9
"You yourselves must be on your guard. They will deliver you up to Sanhedrins; you will be brought into synagogues and cruelly beaten; and you will stand before governors and kings for my sake, to be witnesses to them for me.
Mark 13:33
Take care, be on the alert, and pray; for you do not know when it will happen.
Luke 21:8
"See to it," He replied, "that you are not misled; for many will come assuming my name and professing, 'I am He,' or saying, 'The time is close at hand.' Do not go and follow them.
Luke 21:34
"But take heed to yourselves, lest your souls be weighed down with self-indulgence and drunkenness or the anxieties of this life, and that day come upon you, suddenly, like a falling trap;
John 16:1-4
"These things I have spoken to you in order to clear stumbling-blocks out of your path.