he turned] Away from Peter in a discontent, and turned his face to the other apostles, Mark 8:33.
Get thee behinde me] Lead not me, nor give me counsell; but follow me, and learn of me, as v. 24.
Satan] He calls him so, either because he had spoken like an enemy, or had shewed himself an instrument of Satan, set on work by him, to disswade Christ from suffering for our salvation. This Christ takes ill, though Peter did it ignorantly, and out of affection to him.
an offence unto me] Thou seekest to ensnare me.
the things that be of God] Although God hath revealed to thee that I am his Sonne, vers. 16, 17. yet he hath not acquainted thee with my passions, and therefore thou goest about in a fleshly manner to disswade me.