For all that is in the world, the lust of the flesh, the lust of the eyes, and the pride of life, isn't the Father's, but is the world's.
They went out from us, [some of them had even become a part of the fellowship of the church for a time,] but they were not of us; for had they 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 ( 1 John 2:19 ).