In context
33You sent to John, and he has testified to the truth. 34Not that I depend on human testimony; I say this so that you may be saved. 35John was the lamp, burning and shining, and for a while you were glad to enjoy his light. 36But I have a testimony greater than John’s: the works the Father has given me to complete. These very works that I am doing testify about me — that the Father has sent me. 37And the Father who sent me has himself testified about me. You have never heard his voice or seen his form,
