Greek Bible Art: Head of Goliath

The image shows David with the Head of Goliath by Caravaggio (source). This verse is from 1 Samuel 17:45.

κἀγὼ πορεύομαι πρὸς σὲ ἐν ὀνόματι κυρίου σαβαωθ.
Ego autem venio ad te in nomine Domini exercituum.
I come to thee in the name of the Lord of hosts.