Romans 1:17

17 For in the gospel the righteousness of God is revealed—a righteousness that is by faith from first to last,a just as it is written: “The righteous will live by faith.”b

Read Romans 1:17 Using Other Translations

For therein is the righteousness of God revealed from faith to faith: as it is written, The just shall live by faith.
For in it the righteousness of God is revealed from faith for faith,as it is written, "The righteous shall live by faith."
This Good News tells us how God makes us right in his sight. This is accomplished from start to finish by faith. As the Scriptures say, “It is through faith that a righteous person has life.”