There are many powers in this world for good or for evil. Some are greater than I am. And against some I have not yet been tested.
— Gandalf (Ian Mckellen)
12 seconds sound clip from the The Lord of the Rings: The Fellowship of the Ring movie soundboard.
You can hear this line at 01:58:36 in the Blu-ray version of the movie.
Quote context
[...]
- And the Ring? You feel its power growing, don't you? I've felt it too. You must be careful now.
- Evil will be drawn to you from outside the Fellowship. And, I fear, from within.
- You must trust yourself. Trust your own strengths.
- Why doesn't that surprise me?
- Well, let's see. Ithildin. It mirrors only starlight and moonlight.
[...]