The Lord Jesus Christ mention decieve 4 times in the matt 24 discourse to his disciples, this shows how rampant and serious the deception will be in this closing age.
1. take heed that no one decieve you
2.for many will come in my name saying i am the christ and will decieve many.
3.Then many false prophets will rise up and decieve many.
4. for false christ and false prophets will arise and show GREAT signs and wonders to decieve if possible the elect.