It shows us nothing more or less than the deepest and most desperate desires of our hearts.
10 seconds sound clip from the Harry Potter and the Sorcerer's Stone movie soundboard.
You can hear this line at 01:40:17 in the Blu-ray version of the movie.
Quote context
[...]
- I trust by now you realize what it does.
- The happiest man on earth would look into the mirror and see only himself exactly as he is.
- So then, it shows us what we want. Whatever we want.
- It shows us nothing more or less than the deepest and most desperate desires of our hearts.
- Now you, Harry, who have never known your family... you see them standing beside you.
- This mirror gives us neither knowledge... or truth.
- Men have wasted away in front of it. Even gone mad.
- That is why tomorrow it will be moved to a new home.
[...]