John 3:12

3:12 If I have told you people about earthly things and you don’t believe, how will you believe if I tell you about heavenly things?

John 6:30

6:30 So they said to him, “Then what miraculous sign will you perform, so that we may see it and believe you? What will you do?

John 8:13

8:13 So the Pharisees objected, “You testify about yourself; your testimony is not true!”

John 8:57

8:57 Then the Judeans replied, “You are not yet fifty years old! Have you seen Abraham?”

John 9:28

9:28 They heaped insults on him, saying, “You are his disciple! We are disciples of Moses!

John 11:40

11:40 Jesus responded, “Didn’t I tell you that if you believe, you would see the glory of God?”

John 18:8

18:8 Jesus replied, “I told you that I am he. If you are looking for me, let these men go.”

John 18:34

18:34 Jesus replied, “Are you saying this on your own initiative, or have others told you about me?”