Romans 1:4

1:4 who was appointed the Son-of-God-in-power according to the Holy Spirit by the resurrection from the dead, Jesus Christ our Lord.

Romans 1:9

1:9 For God, whom I serve in my spirit by preaching the gospel of his Son, is my witness that I continually remember you

Romans 9:9

9:9 For this is what the promise declared: “About a year from now I will return and Sarah will have a son.”