Lisa: Um, Do You Know What You're Doing? Bob: Lisa, You Don't Spend Ten Years As A Homicidal Maniac Without Learning A Few Things About Dynamite.

HomeFortune CookiesThe Simpsons

Lisa: Um, do you know what you're doing?
Bob: Lisa, you don't spend ten years as a homicidal maniac without
learning a few things about dynamite.
-- Or icepicks, "The Brother From Another Series"

Related: