Both, he tried to tell us…

Brian: I'm a **in' idiot because I can't make a lamp?

Bender: No, you're a genius because you can't make a lamp.

Brian: What do you know about Trigonometry?

Bender: I could care less about Trigonometry.

Brian: Bender, did you know without Trigonometry there'd be no engineering?

Bender: Without lamps, there'd be no light.