Biblical References
Be Of Good Cheer.

Mark 6

47: And when even was come, the ship was in the midst of the sea, and he alone on the land.

48: And he saw them toiling in rowing; for the wind was contrary unto them: and about the fourth watch of the night he cometh unto them, walking upon the sea, and would have passed by them.

49: But when they saw him walking upon the sea, they supposed it had been a spirit, and cried out:

50: For they all saw him, and were troubled. And immediately he talked with them, and saith unto them, Be of good cheer: it is I; be not afraid.

51: And he went up unto them into the ship; and the wind ceased: and they were sore amazed in themselves beyond measure, and wondered.