I am a servant of the Secret Fire, wielder of the flame of Anor. You cannot pass. The Dark Fire will not avail you, flame of Udûn. Go back to the shadow! You cannot pass.

What his right name is I've never heard; but he is known round here as Strider.

If you bring a Ranger with you, it is well to pay attention to him, especially if the Ranger is Aragorn.

Frodo turned and saw Strider, and yet not Strider; for the weatherworn Ranger was no longer there. In the stern sat Aragorn son of Arathorn, proud and erect, guiding the boat with skilful strokes; his hood was cast back, and his dark hair was blowing in the wind, a light was in his eyes: a king returning from exile to his own land.