Hebrews 1:2

But in these last days. Peter identifies the last days as beginning on Pentecost (Acts 2:16-17). He has spoken. The importance of the message is shown by the Messenger! Not a prophet, but the Son of God! Paul says this to show us that the Good News, spoken all at once through Christ (and his apostles, John 14:26), was complete and no additions would ever be made to it. Compare what Paul says in Galatians 1:6-9. [The New Testament records in permanent form the Good News which came through Christ.] Through whom God created. Compare John 1:3; Colossians 1:15-20. The universe. See Hebrews 1:10; Hebrews 11:3. Whom God has chosen. This must be understood in view of 1 Corinthians 15:24-28.