1 John 1:1-2; 1 John 2:19; 1 John 3:12
That which was from the beginning, which we have heard , which we have seen with our eyes, which we have looked upon , and our hands have handled , of the Word of life;
(For the life was manifested , and we have seen it, and bear witness , and shew unto you that eternal life, which was with the Father, and was manifested unto us;)
They went out from us, but they were not of us; for if they had been of us, they would no doubt have continued with us: but they went out, that they might be made manifest that they were not all of us.
Not as Cain, who was of that wicked one, and slew his brother. And wherefore slew he him? Because his own works were evil, and his brother's righteous.