They said therefore to him, "Who are you? Give us an answer to take back to those who sent us. What do you say about yourself?"

 It was not clever argument that touched Huxley's heart. He could have dealt efficiently and devastatingly with any argument that that simple Christian was likely to have produced, but the simple presentation of Christ caught him by the heart. The best argument is to say to people: "Come and see!" Of course, we have to know Christ ourselves before we can invite others to come to him. The true evangelist must himself have met Christ first. 