The Big Bang Theory Quiz: Who Said It, Sheldon Cooper Or Albert Einstein?

Sheldon Cooper & Albert Einstein
CBS

13. "I Can't Be Impossible - I Exist! I Believe What You Meant To Say Is - "I Give Up, He's Improbable"."

Sheldon Cooper

Albert Einstein
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Student, part-time freelance writer, holder of many questionable opinions and impassioned hater of Lord Of The Rings (disagree? Find me on Twitter, @JoshSandy)