John 1:8-9
He was not the light; he came to testify to the light.
John 5:35
John was the lamp that kept on burning and shining, and you decided for a time to delight yourselves 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.