23 Then if any man shall say unto you, Lo, here is Christ, or there; believe it not.
Matthew 24:23 Cross References - KJV_Cambridge
Deuteronomy 13:1-3
1 If there arise among you a prophet, or a dreamer of dreams, and giveth thee a sign or a wonder,
2 And the sign or the wonder come to pass, whereof he spake unto thee, saying, Let us go after other gods, which thou hast not known, and let us serve them;
3 Thou shalt not hearken unto the words of that prophet, or that dreamer of dreams: for the LORD your God proveth you, to know whether ye love the LORD your God with all your heart and with all your soul.
Mark 13:21
21 And then if any man shall say to you, Lo, here is Christ; or, lo, he is there; believe him not:
Luke 17:23-24
Luke 21:8
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.
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 ye will receive.