2 Kings 6:15-17 NIV

15 When the servant of the man of God got up and went out early the next morning, an army with horses and chariots had surrounded the city. "Oh, my lord, what shall we do?" the servant asked.
16 "Don't be afraid,"1 the prophet answered. "Those who are with us are more2 than those who are with them."

References for 2 Kings 6:16

17 And Elisha prayed, "O LORD, open his eyes so he may see." Then the LORD opened the servant's eyes, and he looked and saw the hills full of horses and chariots3 of fire all around Elisha.

References for 2 Kings 6:17