'Be of Good Courage' in the Bible

And on the following night the Lord stood by him and said, Be of good courage, for as you have testified of me at Jerusalem, so you must also testify at Rome.

And now I advise you to be of good courage; for there shall be no loss of a life of you, but only of the ship.

Wherefore, men, be of good courage; for I believe God, that it will be as he has told me;