'Do Not Fear' in the Bible

And Jehovah said to Joshua, Do not fear, nor be dismayed. Take all the people of war with you, and arise, go up to Ai. See, I have given into your hand the king of Ai, and his people, and his city, and his land.

And Jehovah said to Joshua, Do not fear them, for I have delivered them into your hands. There shall not a man of them stand before you.

And Joshua said to them, Do not fear nor be dismayed. Be strong and of good courage. For so shall Jehovah do to all your enemies against whom you fight.