"Go into all the world and preach the gospel to all creation" (Mark 16:15).
"Sing to the LORD, bless His name; Proclaim good tidings of His salvation from day to day" (Psalm 96:2).
"For by grace you have been saved through faith; and that not of yourselves, it is the gift of God; not as a result of works, so that no one may boast" (Ephesians 2:8-9).
"All Scripture is inspired by God and profitable for teaching, for reproof, for correction, for training in righteousness" (2 Timothy 3:16).