He that overcometh and he that keepeth (ο νικων κα ο τηρων). Present active articular participles of νικαω and τηρεω in the nominative absolute (nominativus pendens) as in Revelation 3:12; Revelation 3:21, resumed by the dative αυτω (to him), as in verses Revelation 2:7; Revelation 2:17.

Unto the end (αχρ τελους). That is, αχρ ου αν ηξο above.

Authority over the nations (εξουσιαν επ των εθνων). From Psalm 2:8. The followers of the Messiah will share in his victory over his enemies (Revelation 1:6; Revelation 12:5; Revelation 19:15).