And he saith unto them, be not affrighted,....
Matthew 28:6, where the same things, and almost in the same words, are said as here.
Related Commentaries of Mark 16:6
Mark 16:6
6 And he saith unto them, Be not affrighted: Ye seek Jesus of Nazareth, which was crucified: he is risen; he is not here: behold the place where they laid him.