I am the good shepherd: the good shepherd giveth his life for the sheep.
Ἐγώ εἰμι ὁ ποιμὴν ὁ καλός· ὁ ποιμὴν ὁ καλὸς τὴν ψυχὴν αὐτοῦ τίθησιν ὑπὲρ τῶν προβάτων.