John 8:28

8:28 Then Jesus said, “When you lift up the Son of Man, then you will know that I am he, and I do nothing on my own initiative, but I speak just what the Father taught me.

John 18:20

18:20 Jesus replied, “I have spoken publicly to the world. I always taught in the synagogues and in the temple courts, where all the Jewish people assemble together. I have said nothing in secret.