21 And then, if any man say to you, 'Lo, here is Christ, lo, he is there,' believe not.
Mark 13:21 Cross References - MSTC
Deuteronomy 13:1-3
1 If there arise among you a prophet or a dreamer of dreams, and give thee a sign or a wonder -
2 and that sign or wonder which he hath said come to pass — and then say, 'Let us go after strange gods which thou hast not known, and let us serve them':
3 hearken not unto the words of that prophet or dreamer of dreams. For the LORD thy God tempteth you, to wete whether ye love the LORD your God with all your hearts and with all your souls.
Matthew 24:5
5 For many shall come in my name saying, 'I am Christ': and shall deceive many.
Matthew 24:23-25
23 Then if any man shall say unto you, 'Lo, here is Christ,' or 'There is Christ': believe it not:
24 for there shall arise false Christs, and false prophets and shall do great miracles and wonders. Insomuch that if it were possible, even the very elect should be deceived.
25 Take heed: I have told you before.
Luke 17:23-24
Luke 21:8
8 And he said, "Take heed, that ye be not deceived. For many will come in my name, saying of themselves, 'I am he.' And the time draweth near. Follow ye not them, therefore.
John 5:43
43 I am come in my father's name, and ye receive me not. If another shall come in his own name, him will ye receive.