Pity? It is pity that stayed Bilbo's hand.
7 seconds sound clip from the The Lord of the Rings: The Fellowship of the Ring movie soundboard.
You can hear this line at 02:08:09 in the Blu-ray version of the movie.
Quote context
[...]
- Now the Ring has brought him here.
- He will never be rid of his need for it.
- He hates and loves the Ring, as he hates and loves himself.
- It's a pity Bilbo didn't kill him when he had the chance.
- Pity? It is pity that stayed Bilbo's hand.
- Many that live deserve death. Some that die deserve life. Can you give it to them, Frodo?
- Do not be too eager to deal out death and judgment. Even the very wise cannot see all ends.
- My heart tells me that Gollum has some part to play yet, for good or ill before this is over.
- The pity of Bilbo may rule the fate of many.
[...]