- Your overconfidence is your weakness.
- Your faith in your friends is yours.

Luke Skywalker (Mark Hamill), Palpatine Darth Sidious (Ian Mcdiarmid)

5 seconds sound clip from the Star Wars: Episode VI - Return of the Jedi movie soundboard.

You can hear this line at 01:32:20.203 in the Blu-ray version of the movie.

Quote context

[...]

- His lightsaber.

- Yes. A Jedi's weapon. Much like your father's.

- By now you must know your father can never be turned from the dark side. So will it be with you.

- You're wrong. Soon I'll be dead, and you with me.

- Perhaps you refer to the imminent attack of your rebel fleet.

- Yes. I assure you, we are quite safe from your friends here.

- Your overconfidence is your weakness.

- Your faith in your friends is yours.

- It is pointless to resist, my son.

- Everything that has transpired has done so according to my design.

- Your friends up there on the sanctuary moon are walking into a trap, as is your rebel fleet.

- It was I who allowed the Alliance to know the location of the shield generator. It is quite safe from your pitiful little band.

[...]