John 13 - NIV Essentials Study Bible

13:3 the Father had put all things under his power. John again emphasizes the fulfillment of God’s plan and Jesus’ control of the situation. was returning to God. See 20:17 and note.

13:19 I am who I am. An emphatic form of speech, such as that in 8:58 (see note there).

13:31 Son of Man. See note on Mk 8:31. glorified. See v. 32 and note on 7:39. Here the idea of glory includes a reference to Jesus’ sacrificial death on the cross and the glorious salvation that would result. God is glorified in him. The glory of the Father is closely bound to that of the Son.

13:34 A new command. In a sense it was an old one (see Lev 19:18 and note), but for Christ’s disciples it was new, because it was the mark of their special bond, created by Christ’s great love for them (cf. Mt 22:37–39; Mk 12:31; Lk 10:27 and notes).

13:38 you will disown me three times. Peter’s denial is prophesied in all four Gospels (Mt 26:33–35; Mk 14:29–31; Lk 22:31–34).