Jesus said：¹“I am the true vine, and my Father is the gardener. ² He cuts off every branch in me that bears no fruit, while every branch that does bear fruit he prunes so that it will be even more fruitful. ³ You are already clean because of the word I have spoken to you. ⁴ Remain in me, as I also remain in you. No branch can bear fruit by itself; it must remain in the vine. Neither can you bear fruit unless you remain in me.。- John 15：1-4