5 distinct Greek words appear in this verse.

1 variant unit attested by manuscript witnesses and modern critical editions.

2 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 2John 1:8 — Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward.
• 2Pet 3:17 — Ye therefore, beloved, seeing ye know these things before, beware lest ye also, being led away with the error of the wicked, fall from your own stedfastness.
• Heb 3:12 — Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.
• Isa 44:7 — And who, as I, shall call, and shall declare it, and set it in order for me, since I appointed the ancient people? and the things that are coming, and shall come, let them shew unto them.
• John 14:29 — And now I have told you before it come to pass, that, when it is come to pass, ye might believe.
• John 16:4 — But these things have I told you, that when the time shall come, ye may remember that I told you of them. And these things I said not unto you at the beginning, because I was with you.
• Luke 17:34 — I tell you, in that night there shall be two men in one bed; the one shall be taken, and the other shall be left.
• Luke 21:8 — And he said, Take heed that ye be not deceived: for many shall come in my name, saying, I am Christ; and the time draweth near: go ye not therefore after them.
• Mark 13:5 — And Jesus answering them began to say, Take heed lest any man deceive you:
• Mark 13:33 — Take ye heed, watch and pray: for ye know not when the time is.