Lesson: Christian Responsibility
Reading: The great responsibility
Reference: Mark 16:14-16

Mark 16:14: Afterward he appeared unto the eleven as they sat at meat, and upbraided them with their unbelief and hardness of heart, because they believed not them which had seen him after he was risen.
Mark 16:15: And he said unto them, Go ye into all the world, and preach the gospel to every creature.
Mark 16:16: He that believeth and is baptized shall be saved; but he that believeth not shall be damned.
(KJV)