No Earth-made steel is gonna be strong enough.
6 seconds sound clip from The Transformers (1984) - Fire on the Mountain TV Series.
You can hear this line at 00:01:03 in the DVD version of the movie.
Quote context
[...]
- Maybe I'm just spinning my flywheels, but those jets look sickeningly familar.
- They're Decepticons. I'd recognize their slimey contrails anywhere.
- Thundercracker, attention! Transform!
- No Earth-made steel is gonna be strong enough.
- I'm in charge here and if I say it's strong enough, it is!
- Great workin' with ya, Starscream.
- What do ya mean working? Looks more like stealing to me. And I'm talkin' steel.
- Out of my way, you Autobot lackey.
- What took you so long, Trailbreaker?
[...]