“For by grace you have been saved through faith, and that not of yourselves; it is the gift of God, not of works, lest anyone should boast.”
Ephesians 2:8-9 NKJV
Paul is specifying how Christians are saved and have eternal life. Is it by good works? Or because we’ve earned it? NO! He explains that we are saved by grace which is God’s free, unearned favor and forgiveness of sins. We have this grace through faith in Jesus Christ.