In Jesus Christ we were grafted by his blood and by the forgiveness of sins, through his redemption we were bought by pouring that powerful blood on the cross, now by the faith that Abraham had we are justified. In the Bible there are many examples of how God had mercy because people turned to him.

Finally the word of God says

Romans 1:16 version of the Reina-Valera 1960 (RVR1960)
The power of the gospel
For I am not ashamed of the gospel, because it is the power of God for salvation to all who believe; To the Jew first, and also to the Greek.