John 1:8-9
He was not the Light; it was to bear testimony concerning the Light that he came into being.
John 5:35
"That man was the Lamp-burning and shining??nd you were willing for a time rejoice in his light.
Treasury of Scripture Knowledge
Summary
But Abishai the son of Zeruiah succoured him, and smote the Philistine, and killed him. Then the men of David sware unto him, saying, Thou shalt go no more out with us to battle, that thou quench not the light of Israel.