John 5:34

5:34 (I do not accept human testimony, but I say this so that you may be saved.)

John 8:46

8:46 Who among you can prove me guilty of any sin? If I am telling you the truth, why don’t you believe me?

John 10:7

10:7 So Jesus said to them again, “I tell you the solemn truth, I am the door for the sheep.

John 13:19

13:19 I am telling you this now, before it happens, so that when it happens you may believe that I am he.