John 13:34-35 (NKJV)
34 A new commandment I give to you, that you love one another; as I have loved you, that you also love one another. 35 By this all will know that you are My disciples, if you have love for one another.”
John 8:31-32 (NKJV)
31 Then Jesus said to those Jews who believed Him, “If you abide in My word, you are My disciples indeed. 32 And you shall know thetruth, and the truth shall make you free.”
Acts 11:26 (NKJV)
26 And when he had found him, he brought him to Antioch. So it was that for a whole year they assembled with the church and taught a great many people. And the disciples were first called Christians in Antioch.