Well, I'm not too old. I'll go myself.
2 seconds sound clip from the Wizards (1977) movie soundboard.
You can hear this line at 00:29:31.834 in the Blu-ray version of the movie.
Quote context
[...]
- Cool down. Cool down. I got it, and it ain't good.
- The key is a dream machine that inspires armies with ancient war images. It must be destroyed.
- It is in Blackwolf's castle in the land of Scortch.
- Leave? What do you mean, leave? You got to be kidding.
- I'm too old for this sort of thing. Just wake me up when the planet's destroyed.
- Well, I'm not too old. I'll go myself.
- We're going. I must avenge my father's death.
- It ain't no fairyland out there, kid.
- But all right, all right. I was just testing you.
[...]