Mark 13:23

But do ye take heed! I have told you all beforehand.

2 Peter 3:17

Do ye therefore, beloved, seeing ye know these things beforehand, beware lest, being led away with the error of the lawless, ye fall from your own steadfastness.

Mark 13:5

And Jesus began to say to them, See that no one deceive you.

John 14:29

And now I have told you before it hath come to pass, that when it hath come to pass ye may believe.

Matthew 7:15

Beware of the false prophets, who come to you in sheeps clothing, but inwardly are ravening wolves.

But do ye take heed to yourselves; they will deliver you up to councils, and ye will be taken into synagogues and beaten; and ye will be brought before governors and kings for my sake, for a testimony to them.

Mark 13:33

Take heed, watch; for ye know not when the time is.

Luke 21:8

And he said, Take heed that ye be not deceived. For many will come in my name, saying, I am He, and the time is at hand. Go not after them.

Luke 21:34

But take heed to yourselves, lest at any time your hearts be weighed down with surfeiting and drunkenness and worldly cares, and that day come upon you unawares.