English Standard Version
But be on guard; I have told you all things beforehand.

American Standard Version
But take ye heed: behold, I have told you all things beforehand.

Berean Study Bible
So be on your guard; I have told you everything in advance.

Douay-Rheims Bible
Take you heed therefore; behold I have foretold you all things.

English Revised Version
But take ye heed: behold, I have told you all things beforehand.

King James Bible
But take ye heed: behold, I have foretold you all things.

World English Bible
But you watch. "Behold, I have told you all things beforehand.

Young's Literal Translation
and ye, take heed; lo, I have foretold you all things.

Mark 13:23 Additional Translations ...