Behold, I have told you before.
Behold, I have told you before.
Behold, I have told you beforehand.
See, I have made it clear to you before it comes about.
Behold, I have told you before.
"Behold, I have told you beforehand.
Behold, I have told you beforehand.
Behold, I have told you before - That is, I have forewarned you.
Behold, I have told you before - Mark adds Mark 13:23, "take ye heed." The reason why he told them before was that they might be on their guard, and be prepared for those calamities.