Mark 13:23

But be ye on your guard: lo! I have told you all things:

2 Peter 3:17

Ye therefore, beloved, knowing this before, be on your guard, that ye be not carried away with the delusion of these lawless men, and fall from your own stedfastness.

Mark 13:5

Then Jesus answering them, began to say, Beware that no man deceive you:

John 14:29

And now I have informed you before it comes to pass, that, when it is come to pass, ye may believe.

Matthew 7:15

Take heed then of false prophets, who come to you in the garb of sheep, but inwardly they are ravening wolves.

But take ye heed to yourselves: for they shall deliver you up to their sanhedrims, and to the synagogues; ye shall be beaten with rods, and be set before kings and governors for my name's sake, for a testimony unto them.

Mark 13:33

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

Luke 21:8

Then he said, Take heed that ye be not deluded: for many will come in my name, saying, I am he; and the period approaches: go not therefore after them.

Luke 21:34

But take heed to yourselves, lest at any time your hearts should be overloaded with surfeiting and drunkenness, and the anxious cares of life, and that day should come upon you unawares.