In Romans 4:5, Paul expands the principle: faith is counted as righteousness for the one who does not work but believes in God who justifies the ungodly.

In Romans 4:9, Paul restates Abraham's faith being credited, applying the blessing to both circumcised and uncircumcised believers.

In Romans 4:11, Paul explains that Abraham received circumcision as a seal of the righteousness he already had by faith while uncircumcised.

In Romans 4:22-25, Paul applies the same crediting principle to us who believe in Jesus' resurrection, showing it was written for our sake.

In Romans 3:22, Paul states that righteousness comes through faith in Christ for all believers, laying the foundation for the Abraham example.

Romans 10:11 also cites Scripture about faith leading to salvation — applying the same belief principle from Romans 4:3 to all believers.

Genesis 15:6 is the exact verse quoted here — Abraham believed and it was counted as righteousness.

Galatians 3:6-8 quotes the same verse and expands on justification by faith for all nations — reinforcing Paul's argument.

James 2:23 also cites Genesis 15:6, linking it to Abraham's works as demonstration of faith — a complementary perspective.

In Galatians 3:14, Paul uses Abraham's blessing to argue that Gentiles receive the Spirit through faith, paralleling his argument in Romans.