This is the weapon of a Jedi knight. Not as clumsy or random as a blaster. An elegant weapon for a more civilized age.

Obi Wan Kenobi (Alec Guinness)

14 seconds sound clip from the Star Wars: Episode IV - A New Hope (1977) movie soundboard.

You can hear this line at 00:33:42 in the Blu-ray version of the movie.

Quote context

[...]

- Which reminds me, I have something here for you.

- Your father wanted you to have this when you were old enough, but your uncle wouldn't allow it.

- He feared you might follow old Obi-Wan on some damn-fool idealistic crusade like your father did.

- Sir, if you'll not be needing me, I'll close down for a while. Sure. Go ahead.

- What is it?

- It's your father's lightsaber.

- This is the weapon of a Jedi knight. Not as clumsy or random as a blaster. An elegant weapon for a more civilized age.

- For over a thousand generations, the Jedi knights were the guardians of peace and justice in the old Republic, before the dark times, before the Empire.

- How did my father die?

- A young Jedi named Darth Vader, who was a pupil of mine until he turned to evil, helped the Empire hunt down and destroy the Jedi knights.

- He betrayed and murdered your father.

[...]