John 1:8
ESV
He was not the light, but came to bear witness about the light.
NIV
He himself was not the light; he came only as a witness to the light.
NASB
He was not the Light, but he came to testify about the Light.
CSB
He was not the light, but he came to testify about the light.
NLT
John himself was not the light; he was simply a witness to tell about the light.
KJV
He was not that Light, but was sent to bear witness of that Light.