Romans 10:9 That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved.
WHAT IS OUR CHRISTIAN DUTY?
Ecclesiastes 12:13 Let us hear the conclusion of the whole matter: Fear* God, and keep his commandments: for this is the whole duty of man. *Fear = reverence, honor, adoration