1428   prophecy, OT inspiration
     1431   prophecy, OT methods
     3212   Holy Spirit, and mission

Hebrews 1:1-2

     1441   revelation, necessity
     1443   revelation, OT
     1611   Scripture, inspiration and authority
     1615   Scripture, sufficiency
     2069   Christ, pre-eminence
     2218   Christ, Son of God
     2318   Christ, as prophet
     4963   past, the
     5204   age
     5408   messenger
     5548   speech, divine
     5627   word
     9140   last days

Hebrews 1:1-3

     1403   God, revelation
     1444   revelation, NT
     5263   communication
     5467   promises, divine
     5971   uniqueness
     7950   mission, of Christ
     8702   agnosticism

Hebrews 1:1-4

     4945   history