Hebrews closely links the two covenants with two ages or dispensations by its reference to “the past” and “these last days” (Heb. 1:1–2). The former designates the old era prior to Christ’s coming (the world of shadows), whereas the latter (cf. 9:26; 1 Peter 1:20) signifies the messianic age inaugurated by Christ’s first advent (the world of reality). Through the gracious provisions of the new covenant—actualized by Christ’s exaltation to the right hand of the Father—believers participate here and